# agentsite-static-version=f5efd227-bb70-405a-8774-2062ff0e0832 # iorodeo.com > AI-optimized mirror of iorodeo.com containing 168 pages totalling 38,052 words of clean markdown content, structured data, and semantic HTML. Original source: https://iorodeo.com. Last updated: 2026-10-14T20:50:03.711Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [IO Rodeo](/content/site-root.html): IO Rodeo (496 words) ## Articles & Blog Posts - [collections/all/products/rodeostat-plus/index.html](/content/collections/all/products/rodeostat-plus/index.html) (65 words) - [collections/all/products/potentiostat-shield/index.html](/content/collections/all/products/potentiostat-shield/index.html) (26 words) - [collections/cheapstat-open-source-potentiostat/products/cheapstat-open-source-potentiostat/index.html](/content/collections/cheapstat-open-source-potentiostat/products/cheapstat-open-source-potentiostat/index.html) (25 words) - [blog-iorodeo-com.html](/content/blog-iorodeo-com.html) (16 words) - [News – IO Rodeo](/content/blogs/news/index.html): IO Rodeo (31 words) - [Colorimeter – IO Rodeo](/content/blogs/colorimeter/index.html): IO Rodeo (15 words) - [Rodeostat SPE adapter: Type B/CWR – IO Rodeo](/content/products/rodeostat-spe-adapter-type-b-cwr/index.html): This is an adapter configured for use with any electrode or biosensor with the following configuration: Electrode configuration: C/W/R (Counter/Working/Reference) Electrode pad spacing: 0.1" The adapter contains a 3-position card edge connector with 0.1" spacing mounted inside a 3D-printed enclosure.  An internal tab i (223 words) - [575nm Radial LED board – IO Rodeo](/content/products/575nm-radial-led-board/index.html): 575nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 575nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 575nm Radi (201 words) - [rodeostat/index.html](/content/rodeostat/index.html) (179 words) - [Product News – IO Rodeo](/content/blogs/product-news-1/index.html): IO Rodeo (32 words) - [415nm UV LED Board – IO Rodeo](/content/products/415nm-uv-led-board/index.html): 415nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (182 words) - [What is a potentiostat – IO Rodeo](/content/pages/what-is-a-potentiostat/index.html): So what is a potentiostat?  it is  an electrochemical sensor   with 3 electrodes - working, counter, reference uses feedback for control actively control potential between working and reference electrode -  using counter electrode as actuator. simultaneously measure working electrode current.  not passive - often  swee (91 words) - [SMD 0603 LED board – IO Rodeo](/content/products/smd-0603-led-board/index.html): LED board for surface-mount LEDs with 0603 package. LED board includes current control (CC) and is designed for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design file (163 words) - [395nm UV LED Board – IO Rodeo](/content/products/395nm-uv-led-board/index.html): 395nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (157 words) - [SMD 1414 LED board – IO Rodeo](/content/products/smd-1414-led-board/index.html): LED board for surface-mount LEDs with 1414 package. LED board includes current control (CC) and is designed for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design file (190 words) - [365nm UV LED Board – IO Rodeo](/content/products/365nm-uv-led-board/index.html): 365nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (177 words) - [Privacy policy – IO Rodeo](/content/policies/privacy-policy/index.html): IO Rodeo (1,159 words) - [385nm UV LED Board – IO Rodeo](/content/products/385nm-uv-led-board-1/index.html): 385nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (134 words) - [Rodeostat: open source potentiostat – IO Rodeo](/content/collections/all/products/rodeostat/index.html):   The Rodeostat is an open source potentiostat for performing electrochemical measurements. It is designed to work with the Adafruit ItsyBitsy M4 Express Board. It is a very flexible instrument with multiple output voltage and current measurement ranges.  Current measurement ranges: +/- 1, 10, 100, 1000uA Output voltag (380 words) - [940nm IR Radial LED board – IO Rodeo](/content/products/940nm-ir-radial-led-board/index.html): 940nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 940nm IR LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 940n (193 words) - [680nm Radial LED board – IO Rodeo](/content/products/680nm-radial-led-board/index.html): 680nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 680nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 680nm Radi (199 words) - [Research Test Equipment Terms and Conditions – IO Rodeo](/content/pages/test-and-measurement-equipment-terms-and-conditions.html): Intended Use and Restrictions The equipment, components, and software provided are supplied strictly for research, development, laboratory, and engineering testing purposes.The Product is not intended, designed, or approved for consumer, household, or general public use. Test and Measurement Equipment   (72 words) - [Mothbeam PCB: UV LEDs – IO Rodeo](/content/products/mothbeam-uv/index.html): Mothbeam PCB is an open hardware LED board  for use with the Mothbox PCB as a low cost, modular, adapatable insect attractor.  Designed by Moritz Buttlar at LabLab in collaboration with Digital Naturalism and manufactured by IO Rodeo.  Features: 3 x UV LEDs Aluminum PCB 4 x Switches for controlling light intensity Dime (161 words) - [Zimmer Peacock Hypervalue Platinum Electrodes – IO Rodeo](/content/products/zimmer-peacock-hypervalue-platinum-electrodes/index.html): Hypervalue Platinum Screen Printed Electrodes from Zimmer Peacock. Sold as single electrodes.  ZP’s hyper value screen printed platinum working electrode is suitable for disposable applications, as well as for scenarios where continuous measurement is essential. The hypervalue platinum screen printed electrodes work we (137 words) - [625nm Radial LED board – IO Rodeo](/content/products/625nm-radial-led-board/index.html): 625nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 625nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 625nm Radi (160 words) - [730nm LED Board – IO Rodeo](/content/products/730nm-led-board/index.html): 730nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & (142 words) - [400nm UV Radial LED board – IO Rodeo](/content/products/400nm-uv-radial-led-board/index.html): 400nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 400nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 400nm U (233 words) - [Zimmer Peacock Hypervalue Gold Electrodes – IO Rodeo](/content/products/zimmer-peacock-hypervalue-gold-electrodes/index.html): Hypervalue Gold Screen Printed Electrodes from Zimmer Peacock. Sold as single electrodes.  ZP’s hyper value screen printed gold working electrode is suitable for disposable applications, as well as for scenarios where continuous measurement is essential. The hypervalue gold screen printed electrodes work well with our (167 words) - [425nm UV LED Board – IO Rodeo](/content/products/425nm-uv-led-board/index.html): 425nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & datasheet: 425nm UV LED PCB Features On boar (160 words) - [Mothbox Pro PCB – IO Rodeo](/content/products/mothbox-pro-pcb/index.html): This is the Mothbox Pro mainboard (Raspberry Pi Hat) version v5.0.6. used for making a Mothbox Pro Automated Insect Monitor. The Mothbox Pro PCB is an open hardware design by Digital Naturalism Labs. Features: Connect up to 3 Mothbeam attractor PCBs with visible or UV LEDs Quick connector for Raspberry Pi 5  Array of b (120 words) - [collections/cheapstat-open-source-potentiostat/products/potentiostat-dummy-cell/index.html](/content/collections/cheapstat-open-source-potentiostat/products/potentiostat-dummy-cell/index.html) (140 words) - [40X Plan Objective Microscope Lens – IO Rodeo](/content/products/openflexure-40x-objective/index.html): 40X Plan achromatic microscope objective lens for use with the OpenFlexure Microscope Kit. This is a high-quality 40X objective which is used in assembly of the Optics Module for the High-Resolution version of the OpenFlexure Microscope.  Documentation For more information visit the OpenFlexure Microscope Product Guide (98 words) - [products/through-hole-led-cuvette-holder/index.html](/content/products/through-hole-led-cuvette-holder/index.html) (165 words) - [405nm UV LED Board – IO Rodeo](/content/products/405nm-uv-led-board/index.html): 405nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & datasheet: 405nm UV LED PCB Features On boar (142 words) - [Rodeostat SPE adapter: Type A – IO Rodeo](/content/products/rodeostat-spe-adapter-type-a/index.html): This is an adapter suitable for using with Pine Research carbon screen printed electrodes any electrode or biosensor with a similar configuration. The adapter consists of a 5-position card edge connector with 0.100" spacing. The adapter connects to the Rodeostat potentiostat via a a 12" long ribbon cable. A screen prin (170 words) - [454nm LED Board – IO Rodeo](/content/products/454nm-led-board/index.html): 454nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & (156 words) - [Mothbeam PCB: Visible LEDs – IO Rodeo](/content/products/mothbeam-vis/index.html): Mothbeam PCB is an open hardware LED board  for use with the Mothbox PCB as a low cost, modular, adapatable insect attractor.  Designed by Moritz Buttlar at LabLab in collaboration with Digital Naturalism and manufactured by IO Rodeo.  Features: 3 x Visible light LEDs (white, 450nm blue and 520nm green) Aluminum PCB 4 (130 words) - [385nm UV LED Board – IO Rodeo](/content/products/385nm-uv-led-board/index.html): 385nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & datasheet: 385nm UV LED PCB Features On boar (141 words) - [12.7mm achromatic lens – IO Rodeo](/content/products/openflexure-achromatic-lens/index.html): ThorLabs 12.7 mm achromatic lens for use with the OpenFlexure Microscope Kit. This is a high-quality lens which is used in assembly of the Optics Module for the High-Resolution version of the OpenFlexure Microscope.  Documentation For more information visit the OpenFlexure Microscope Product Guide. (151 words) - [590nm Radial LED board – IO Rodeo](/content/products/590nm-radial-led-board/index.html): 590nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 590nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 590nm Radi (157 words) - [395nm UV LED Board – IO Rodeo](/content/products/395nm-uv-led-board-1/index.html): 395nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & datasheet: 395nm UV LED PCB Features On boar (149 words) - [470nm LED Board – IO Rodeo](/content/products/470nm-led-board-1/index.html): 470nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (197 words) - [Rodeostat: Open Hardware Potentiostat – IO Rodeo](/content/collections/cheapstat-open-source-potentiostat/index.html): The Rodeostat  is an open source potentiostat for performing electrochemical measurements. Check out the Project Documentation for more information.   (237 words) - [505nm Radial LED board – IO Rodeo](/content/products/505nm-radial-led-board/index.html): 505nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 505nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design files (203 words) - [880nm IR Radial LED board – IO Rodeo](/content/products/880nm-ir-radial-led-board/index.html): 880nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 880nm IR LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design (235 words) - [365nm Radial LED board – IO Rodeo](/content/products/365nm-radial-led-board/index.html): 365nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 365nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design fi (173 words) - [Radial LED board - 24mA – IO Rodeo](/content/products/radial-led-board-24ma-cc/index.html): LED board for radial LEDs (3mm or 5mm). LED board includes current control (CC) and is designed for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https:// (114 words) - [Rodeostat FeatherWing – IO Rodeo](/content/collections/all/products/rodeostat-feather-wing/index.html): The Rodeostat FeatherWing is an open source potentiostat designed to be compatible with Adafruit's Feather/FeatherWing system. It fits in a standard FeatherWing socket and is compatible with Feather Development boards which adhere to Adafruit's Feather specification and which have analog output (DAC) on pin A0. The Rod (425 words) - [357nm Radial LED board – IO Rodeo](/content/products/357nm-radial-led-board/index.html): 357nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 357nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design fi (167 words) - [660nm LED Board – IO Rodeo](/content/products/660nm-led-board-1/index.html): 660nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. LED specifications & (193 words) - [Refund policy – IO Rodeo](/content/policies/refund-policy/index.html): IO Rodeo (206 words) - [William B. Dickson – IO Rodeo](/content/pages/will-dickson/index.html):  will@iorodeo.com Education Ph.D. Mathematics, University of Glasgow, July 1999 B.A. Mathematics, University of Wisconsin-Madison, July 1992 Work History 2009-Present, Co-founder, Vice-President IO Rodeo Inc 2017-Present, Instrumentation Engineer, California Institute of Technology 2008–2010, Senior Research Fellow Bio (709 words) - [White LED Board – IO Rodeo](/content/products/white-led-board-cc/index.html): White light LED board with current control for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. This is our new sta (208 words) - [610nm LED Board – IO Rodeo](/content/products/610nm-led-board-1/index.html): 610nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (209 words) - [630nm LED Board – IO Rodeo](/content/products/630nm-led-board/index.html): 630nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (198 words) - [Screen printed electrode adapter for Zimmer Peacock electrodes – IO Rodeo](/content/products/screen-printed-electrode-adapter-for-zp-electrodes/index.html): This is an adapter configured for use with Zimmer Peacock Hypervalue carbon, gold and platinum or 501 carbon screen printed electrodes. They can  or any electrode or biosensor with the following configuration: Electrode slot width: 7.8 mm  Electrode spacing: 0.1" Electrode configuration: C/W/R Example Application: Cycl (202 words) - [378nm Radial LED board – IO Rodeo](/content/products/378nm-radial-led-board/index.html): 378nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 378nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design fi (176 words) - [557nm LED Board – IO Rodeo](/content/products/557nm-led-board-1/index.html): 557nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (166 words) - [Open Colorimeter LED Storage Box – IO Rodeo](/content/products/open-colorimeter-storage-box/index.html): This is a small 3D-printed box for storing Open Colorimeter LED boards. The box has space for up to 10 surface mount LED boards or 5 through-hole radial LED boards. Boxes can also be used for storing any similarly-sized STEMMA QT boards. LED Box dimensions with lid: 77 mm x 35 mm x 26.5 mm Individual PCB slot dimension (140 words) - [Search – IO Rodeo](/content/search/index.html): IO Rodeo (93 words) - [UV Open Colorimeter – IO Rodeo](/content/collections/uv-leds-and-sensors/index.html): Visit out the Open Colorimeter Product Guide for more information.  (116 words) - [products/potentiostat-shield/index.html](/content/products/potentiostat-shield/index.html) (380 words) - [Sangaboard – IO Rodeo](/content/products/sangaboard-v0-5/index.html): Sangaboard v0.5 motor control board for use with the OpenFlexure Microscope. Sangaboard PCBs are manufactured by TauLab and programmed and tested by IO Rodeo before shipping. Complete OpenFlexure kits which include the Sangaboard are also available both with and without the 3D-printed microscope parts. A portion of San (129 words) - [Joanne C. Long  – IO Rodeo](/content/pages/team-member-jo/index.html): jo@iorodeo.com Instructables Projects Education Ph.D. Biochemistry and Molecular Biology, University of Glasgow, July 1998 B.Sc. (Honors) Applied Biological Sciences, University of the West of England, July 1993 Work History 2009 – Present: Co-founder at IO Rodeo Inc 2007 – 2009: Lab, Science and Technology Administrat (402 words) - [275nm UV LED Board – IO Rodeo](/content/products/275nm-uv-led-board/index.html): 275nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (167 words) - [570nm LED Board – IO Rodeo](/content/products/570nm-led-board-1/index.html): 570nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (156 words) - [520nm LED Board – IO Rodeo](/content/products/520nm-led-board-1/index.html): 52nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board (156 words) - [Raspberry Pi Power Supply – IO Rodeo](/content/products/raspberry-pi-power-supply/index.html): Official Raspberry Pi power supply 5.1V 3A with USB C - 1.5 meter long. For use with the Raspberry Pi 4 Model B.  Features USB-C output connector DC 5.1V 3A output AC 100-240V 50/60Hz input with US plug 1.5m cable   (78 words) - [255nm UV LED Board – IO Rodeo](/content/products/255nm-uv-led-board/index.html): 255nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (187 words) - [Terms of service – IO Rodeo](/content/policies/terms-of-service/index.html): IO Rodeo (3,109 words) - [340nm UV Radial LED board – IO Rodeo](/content/products/340nm-uv-radial-led-board/index.html): 340nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 340nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 340nm U (212 words) - [496nm LED Board – IO Rodeo](/content/products/496nm-led-board-1/index.html): 496nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (189 words) - [470nm Radial LED board – IO Rodeo](/content/products/470nm-radial-led-board/index.html): 470nm blue light LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 470nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad d (127 words) - [Raspberry Pi 4 Model B – IO Rodeo](/content/products/raspberry-pi-4b/index.html): The Raspberry Pi Model B  with 4 GB RAM.  This tiny credit card size development platform packs a ton of features into a small footprint.  It has to two USB2 ports, two USB3 ports, Gigbit Ethernet, two micro HDMI ports, 2.4/5.0 GHz WiFi, Bluetooth 5.0 and a 40 pin header for GPIO.  It can run the latest Raspberry Pi OS (190 words) - [Recent Newsletters – IO Rodeo](/content/blogs/ghost-newsletter/index.html): IO Rodeo (337 words) - [3D-printed Plus 0.2mL tube holder – IO Rodeo](/content/products/3d-printed-0-2ml-tube-holder/index.html): This is a 0.2 mL tube holder with electronics mounting for the Open Colorimeter Plus. Used for mounting two light sensor boards and works with any of the LED boards.  Details 3D-printed black resin  Outer Dimensions: 62 mm (length) x 32 mm (width) x 41 mm (height) Recessed circular space for a light-blocking cover Moun (209 words) - [Update on developing a turbidity test with the Open Colorimeter – IO Rodeo](/content/blogs/ghost-newsletter/update-on-developing-a-turbidity-test-with-the-open-colorimeter.html): This is a continuation of our documentation on developing a turbidity test for the Open Colorimeter.   Read the full Newsletter here (26 words) - [Achromatic lens for OpenFlexure Microscopes – IO Rodeo](/content/products/achromatic-lens/index.html): This is a single 12.7 mm, f = 50mm achromatic doublet lens for use with the OpenFlexure Microscope high-resolution microscope. Comparable to the lens sourced from ThorLabs.  For more information on using the lens with the OpenFlexure microscope optics module, check out the official project assembly step page. Specifica (116 words) - [278nm UV LED Board – IO Rodeo](/content/products/278nm-uv-led-board/index.html): 278nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On board voltage regulator enables operation from a 3.3V (164 words) - [Open Colorimeter Plus – IO Rodeo](/content/products/open-colorimeter-plus/index.html): The Open Colorimeter Plus is the latest version of the Open Colorimeter variants specifically for fluorescence measurements. The Open Colorimeter Plus measures light from a sample under excitation by UV, visible or IR light. This is a portable, stand-alone instrument. The Open Colorimeter Plus uses a TSL2591 light sens (441 words) - [Feather Tripler PCB – IO Rodeo](/content/products/feather-tripler-pcb/index.html): The Feather Tripler PCB is carrier-board designed for rapid prototyping of outdoor monitoring projects. The PCB works with the Adafruit Feather ecosystem of Feather microcontroller boards and FeatherWing expansion boards. As the name suggests, the Feather Tripler has 3 sets of Feather/FeatherWing headers and will work (277 words) - [610nm Radial LED board – IO Rodeo](/content/products/610nm-radial-led-board/index.html): 610nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 610nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 610nm Radi (201 words) - [Rodeostat PCB – IO Rodeo](/content/products/rodeostat-pcb-1/index.html):   This is the assembled Rodeostat PCB that is used in the Rodeostat open source potentiostat. The assembled PCB comes as shown in the images and does not include the Itsy Bitsy M4 Express or the Rodeostat accessories (enclosure, dummy cell and cables). For more information about the Rodeostat potentiostat visit the Pro (144 words) - [640nm Radial LED board – IO Rodeo](/content/products/640nm-radial-led-board/index.html): 640nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 640nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 640nm Radi (201 words) - [660nm Radial LED board – IO Rodeo](/content/products/660nm-radial-led-board/index.html): 660nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 660nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 660nm Radi (201 words) - [595nm LED Board – IO Rodeo](/content/products/595nm-led-board-cc/index.html): 595nm LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On boar (201 words) - [Rodeostat – IO Rodeo](/content/pages/rodeostat/index.html): This is a page for putting in content about the Rodeostat product line (205 words) - [850nm IR Radial LED board – IO Rodeo](/content/products/850nm-ir-radial-led-board/index.html): 850nm UV LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 850nm IR LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design (213 words) - [850nm IR LED Board – IO Rodeo](/content/products/850nm-led-board-1/index.html): 850nm IR LED board with current control (CC) for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led. PCB Features On b (163 words) - [Zimmer Peacock Hyper Value Carbon Electrodes – IO Rodeo](/content/products/zp-hyper-value-carbon-screen-printed-electrodes/index.html): Hyper Value Carbon Electrodes (SPE) from Zimmer Peacock. Available as a pack of 10 or sheet of 100 electrodes. The hyper value carbon electrodes are small 26 mm x 7 mm screen printed electrodes. They are ideal for educational applications such as introductory electrochemistry labs. These low-cost screen printed electro (126 words) - [450nm Radial LED board – IO Rodeo](/content/products/450nm-radial-led-board/index.html): 450nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 450nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 450 nm Rad (202 words) - [OpenFlexure – IO Rodeo](/content/pages/openflexure/index.html): This is a page for putting in content about the OpenFlexure product line (325 words) - [527nm Radial LED board – IO Rodeo](/content/products/527nm-radial-led-board/index.html): 527nm LED board for use with Open Colorimeter products. Compatible with the radial LED cuvette holder. The 527nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  LED specifications & datasheet: 527nm Radi (201 words) - [Zimmer Peacock 501 Carbon Electrodes – IO Rodeo](/content/products/zp_501_carbon_electrodes/index.html): 501 Carbon Screen Printed Electrodes from Zimmer Peacock. Available as a pack of 10 or 100 electrodes. These new 501 Carbon design feature a circular electrode making them ideal for applications where you want to pipette small sample volumes onto the electrode.  501 carbon electrodes are 26 mm x 7 mm screen printed ele (143 words) - [Rodeostat SPE adapter: Type B – IO Rodeo](/content/products/rodeostat-spe-adapter-type-b/index.html): This is a Rodeostat SPE adapter configured for use with any 3-electrode SPE with 0.1" pad spacing. The adapter is available in two electrode configurations: C/W/R (Counter/Working/Reference) W/C/R (Working/Counter/Reference) The adapter connects to the Rodeostat potentiostat 3-pin header via a 12" long cable. This is a (220 words) - [Radial LED board - 16mA – IO Rodeo](/content/products/radial-led-board-16ma-cc/index.html): LED board for radial LEDs (3mm or 5mm). LED board includes current control (CC) and is designed for use with the Open Colorimeter. STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https:// (196 words) - [AS7331 UV Sensor Board – IO Rodeo](/content/products/as7331-uv-sensor-board/index.html): The AS7331 UV Sensor Board has an ams-OSRAM AS7331 Spectral UVA/B/C Sensor. This sensor provides a low noise all in one solution for measuring UV light between 230 and 430nm. It has a huge dynamic range and three separate channels for UVA, UVB and UVC optical radiation. Some additional features: The sensor communicates (258 words) - [Potentiostat Dummy Cell PCB – IO Rodeo](/content/products/potentiostat-dummy-cell-pcb/index.html): This is a small 5 cm x 3.25 cm unassembled potentiostat dummy cell PCB. Potentiostat dummy cells can be used for current calibration as described here. The dummy cells can also can be used for simple demonstrations and testing device frequency response. The dummy cell is compatible with the Rodeostat and Cheapstat pote (145 words) - [Home page – IO Rodeo](/content/pages/frontpage/index.html): Increasing data collection accessibility by creating open hardware scientific instruments Mission & Values Our mission is to increase accessibility to scientific data collection tools by creating low-cost, open hardware instrumentation. To further increase accessibility, we also develop methods and tutorials to low, Explore the "Grid" view on Airtable. (246 words) - [3D-printed cuvette holder – IO Rodeo](/content/products/radial-cuvette-holder/index.html): This is a Open Colorimeter cuvette holder for use with any of the LED boards.  Details 3D printed black resin Outer Dimensions: 54 mm (length) x 34.5 mm (width) x 43.5 mm (height) Inner Dimensions: 12.68 mm x 12.68 mm Recessed circular space for a light-blocking cover Mounts on either side for mounting LED and light se (139 words) - [OpenFlexure Microscope Assembly Kit – IO Rodeo](/content/products/openflexure-microscope-hardware-kit/index.html):  This is a kit containing just the assembly components for making an OpenFlexure Microscope v7.  This Assembly Kit is ideal for users who plan to use their own 3D-printer for making an OpenFlexure Microscope. For each kit sold, 20% of profits is donated to the Humanitarian Technology Trust. Kit Contents The assembly ki (450 words) - [Rodeostat ItsyBitsy M4 Express available for pre-order now! – IO Rodeo](/content/blogs/ghost-newsletter/rodeostat-itsybitsy-m4-express-available-for-pre-order-now.html): We are excited to launch our new Rodeostat M4 version! The new design uses the Adafruit ItsyBitsy M4 Express microcontroller board instead of the Teensy 3.2 board which is currently unavailable. The new design offers the same functionality and currently we are open for pre-orders at our online store! You can order a Ro (115 words) - [OpenFlexure Microscope Kit – IO Rodeo](/content/products/openflexure-microscope-kit/index.html): This is an unassembled kit containing parts for making an OpenFlexure Microscope v7. The OpenFlexure Microscope is an open hardware, 3D-printed, lab-grade automated microscope. Learn more at Spotlight: Building an OpenFlexure Microscope. For each kit sold, 20% of profits is donated to the Humanitarian Technology Trust. (664 words) - [Rodeostat SPE adapter: Type B/WCR – IO Rodeo](/content/products/glucose-biosensor-adapter/index.html): This is an adapter configured for use with any electrode or biosensor with the following configuration: Electrode configuration: W/C/R Electrode pad spacing: 0.1" The adapter contains a 3-position card edge connector with 0.1" spacing mounted inside a 3D-printed enclosure.  An internal tab in the adapter secures the el (285 words) - [UV LEDs – IO Rodeo](/content/collections/uv-leds/index.html): IO Rodeo (109 words) - [About IO Rodeo – IO Rodeo](/content/pages/about-us/index.html): IO Rodeo is a small business founded in 2009 by Will Dickson and Jo Long. We are located in Pasadena, California. Our mission is to increase accessibility to scientific data collection tools by creating low-cost, open hardware instrumentation. To further increase accessibility, we also develop methods and tutorials to (513 words) - [Featured Products – IO Rodeo](/content/collections/featured-products/index.html): IO Rodeo (66 words) - [OpenFlexure Microscope Accessories – IO Rodeo](/content/collections/openflexure-microscope-accessories/index.html): A collection of accessories for using with the OpenFlexure Microscope kits. (60 words) - [Rodeostat Dummy Cells – IO Rodeo](/content/collections/rodeostat-dummy-cells/index.html): IO Rodeo (58 words) - [UV Open Colorimeter – IO Rodeo](/content/products/uv-open-colorimeter/index.html): The UV Open Colorimeter is a single-wavelength photometer for measuring UV light absorbance through samples in a standard 10mm pathlength cuvette. Applications include protein quantification with a UV LED.  The device uses our AS7311 UV sensor board and a PyBadge pre-programmed with open source CircuitPython firmware.  (404 words) - [Rodeostat Adapters – IO Rodeo](/content/collections/rodeostat-adapters/index.html): IO Rodeo (56 words) - [3D-printed cuvette/tube holders & LED storage box – IO Rodeo](/content/collections/3d-printed-cuvette-and-tube-holders/index.html): Cuvette and tube holders are also available separately for custom applications and instrument modifications. Contact us for custom cuvette/tube sizes. (91 words) - [Latest video – IO Rodeo](/content/pages/youtube-videi/index.html): IO Rodeo (46 words) - [Potentiostat 10k Dummy Cell – IO Rodeo](/content/products/potentiostat-10k-dummy-cell/index.html): This is an assembled and ready-to-use potentiostat dummy cell with a 10K Ohm 0.1% precision resistor and 3-pin header. PCB size = 5 x 3.25 cm.  Potentiostat dummy cells can be used for current calibration as described here. The dummy cells can also can be used for simple demonstrations and testing device frequency resp (192 words) - [3D-printed cuvette holder for surface mount LEDs – IO Rodeo](/content/products/3d-printed-cuvette-holder/index.html): This is a 3D-printed cuvette holder used with the Open Colorimeter. This version can be used with any of the surface mount LED boards.  Details Material: 3D printed black resin Outer Dimensions: 54 mm (length) x 32 mm (width) x 43.5 mm (height) Inner Dimensions: 12.68 mm x 12.68 mm. Recessed circular space for a light- (114 words) - [430nm Radial LED board – IO Rodeo](/content/products/radial-430nm-led-board/index.html): 430nm blue light LED board for use with Open Colorimeter. products. Use with the radial LED cuvette holder. The 430nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors.  PCB Features Open hardware. KiCad design (132 words) - [agents-md.html](/content/agents-md.html) (717 words) - [Open Colorimeter, Multichannel, UV and Plus – IO Rodeo](/content/collections/open-colorimeter-multichannel-uv-and-plus/index.html): IO Rodeo (76 words) - [Do not sell my personal information – IO Rodeo](/content/pages/ccpa-opt-out/index.html): As described in our Privacy Policy, we collect personal information from your interactions with us and our website, including through cookies and similar technologies. We may also share this personal information with third parties, including advertising partners. We do this in order to show you ads on other websites th (280 words) - [Potentiostat 50k Dummy Cell – IO Rodeo](/content/products/potentiostat-dummy-cell/index.html): This is an assembled and ready-to-use potentiostat dummy cell with a 50K Ohm 0.1% precision resistor and 3-pin header. Potentiostat dummy cells can be used for current calibration as described here. The dummy cells can also can be used for simple demonstrations and testing device frequency response. The dummy cell is c (150 words) - [OpenFlexure Microscopes – IO Rodeo](/content/collections/openflexure-microscopes/index.html): The OpenFlexure Microscope is an open hardware, 3D-printed, lab-grade automated microscope. This open hardware science tool is highly customizable and can be used in a number of different applications. Since it was first introduced, the open hardware design files for the OpenFlexure microscope have been downloaded thou (115 words) - [Mothbox – IO Rodeo](/content/collections/mothbox/index.html): IO Rodeo (47 words) - [Homepage Main Text – IO Rodeo](/content/pages/homepage-main-text/index.html): We design open source hardware science instruments used by researchers & educators. We purposefully design affordable tools that are also small/portable and easy-to-use. All of our Open Hardware tools we develop are licensed under open hardware licenses and supported by Documentation. Read our Mission and Values to (264 words) - [Screen-printed electrodes – IO Rodeo](/content/collections/screen-printed-electrodes/index.html): IO Rodeo (62 words) - [Open Colorimeter – IO Rodeo](/content/pages/open-colorimeter/index.html): This is a page for putting in content about the Open Colorimeter product line (184 words) - [Pasadena/Altadena wildfire disaster update – IO Rodeo](/content/pages/pasadena-altadena-wildfire-disaster-update/index.html): Hello Friends, Over the last few days, many of our community have reached out to check-in on us and ask if we are safe during these devastating wildfires in Southern California where we are located. We wanted to share that we are okay. We were evacuated on Tuesday night but we and our pets are all safe and we are back (178 words) - [We answer questions! – IO Rodeo](/content/blogs/ghost-newsletter/we-answer-questions/index.html): This week we are debuting a new Newsletter format called "We answer questions!" As the name suggests, we are sharing (anonymously of course) a few questions we have received over the last month along with our responses. As these are general technical questions relating to our open hardware products, we think other peop (105 words) - [OpenFlexure Microscope Kits – IO Rodeo](/content/collections/openflexure-microscope-kits-1/index.html): Currently we offer the following two kits: The OpenFlexure Microscope Assembly kit includes hardware, stepper motors, Sangaboard v0.5, Raspberry Pi camera and cable and more. The OpenFlexure Microscope Kit includes the assembly kit PLUS all of the 3D-printed parts with an option to customize your microscope colors. (82 words) - [Shields, FeatherWings & Breakout Boards – IO Rodeo](/content/collections/arduino-shields-and-breakout-boards/index.html): IO Rodeo (28 words) - [GPSR Compliance – IO Rodeo](/content/pages/gpsr-compliance/index.html): We ensure all our products comply with GPSR, CE marking and other applicable EU Directives. Our EU Responsible Person for GPSR product safety compliance is EU Compliance Partner.  Manufacturer's Name and Address IO Rodeo, 616 Castano Avenue, Pasadena, CA 91107 EU Responsible Person Name: EU Compliance Partner Address:  (79 words) - [New higher current range Rodeostat potentiostat – IO Rodeo](/content/blogs/ghost-newsletter/new-higher-current-range-rodeostat-potentiostat/index.html): We have added a new higher current range potentiostat to the electrochemistry product line! The new Rodeostat HC is very similar to the Rodeostat Open Potentiostat, except the measurable current ranges are ± 10, 100, 1000 and 10,000 μA.  Read the full Newsletter here!  (49 words) - [Projects – IO Rodeo](/content/pages/projects/index.html): Archived Projects Below is a list of archived open source hardware projects. We are no longer actively working on these projects however they contain links to design files, BOMs, make instructions and more! Build a cheapstat potentiostat Open source colorimeter Make an electrophoresis power supply Blue LED transillumin (77 words) - [Multichannel Open Colorimeter – IO Rodeo](/content/collections/multichannel-open-colorimeter/index.html): Visit out the Open Colorimeter Product Guide for more information.  (56 words) - [Biorodeo – IO Rodeo](/content/pages/biorodeo/index.html): Biorodeo is a database we have created for the community to use and share methods for data collection using open hardware. We have shared our methods for colorimetric assays and electrochemistry using the colorimeter and Rodeostat potentiostat below.  Colorimeter methods Share a colorimeter method with the BioRodeo com, Explore the "Grid" view on Airtable., Explore the "Grid" view on Airtable. (104 words) - [Summer 2026 Shipping – IO Rodeo](/content/pages/store-vacation-shipping-dates/index.html): IO Rodeo will be closed for the week of July 13-17th for summer vacation. During this time the online store will remain open and orders placed will be shipped once shipping resumes on July 20th. Last shipping date: Friday July 10th 2026 Shipping resumes: Monday July 20th 2026 Thank you for your support! (72 words) - [Making a multichannel open colorimeter – IO Rodeo](/content/blogs/ghost-newsletter/making-a-multichannel-open-colorimeter/index.html): We tested out using the Adafruit AS7241 multichannel sensor STEMMA QT breakout board with the Open Colorimeter. It works great for converting the readings from a single wavelength to a 10-channel version.  Read the full Newsletter here (37 words) - [Blog Test – IO Rodeo](/content/pages/blog-test/index.html): Subscribe to our blog! Subscribe to the blog here: blog.iorodeo.com (18 words) - [Measuring turbidity with a modified Open Colorimeter – IO Rodeo](/content/blogs/ghost-newsletter/measuring-turbidity-with-a-modified-open-colorimeter.html): In this post we describe a prototype right-angle (R/A) cuvette holder for turbidity measurements. Read the full Newsletter here (19 words) - [We answer questions - March – IO Rodeo](/content/blogs/ghost-newsletter/we-answer-questions-march/index.html): In March we received lots of great questions from the community! We are sharing four of these along with our responses this week.  Read the full Newsletter here (28 words) - [Light Sensors – IO Rodeo](/content/collections/light-sensors/index.html): IO Rodeo (32 words) - [LED Measurements and Specifications – IO Rodeo](/content/pages/led-measurements-and-specifications/index.html): We collect spectral data for each LED board using our Open Colorimeter mounted with an Ocean Optics spectophotometer. For convenience all of this information can be viewed in the gallery below. In addition to measured data, we also include a summary of LED specifications from the manufacturer and links to the datasheet, Airtable is a low-code platform for building collaborative apps. Customize your workflow, collaborate, and achieve ambitious outcomes. Get started for free. (56 words) - [Open Source Hardware Survey Results – IO Rodeo](/content/blogs/ghost-newsletter/open-source-hardware-survey-results/index.html): At the end of 2022 we shared a short survey with our community to learn a little about how and where our customers are using open science instruments and what they would like to see next. This week we are sharing some insights and trends from the survey. Read the full Newsletter here (58 words) - [Updates to Rodeostat firmware, python library & web app – IO Rodeo](/content/blogs/ghost-newsletter/updates-to-rodeostat-firmware-python-library-web-app.html): This week we are sharing new updates to the Rodeostat firmware, python library and web app! These updates add support for the new Rodeostat ItsyBitsy M4 Express boards and the new higher current range version.  Read the full Newsletter here!  (45 words) - [Unlock the audience for your open hardware innovations – IO Rodeo](/content/blogs/ghost-newsletter/unlock-the-audience-for-your-open-hardware-innovations.html): This week we invited marketing genius and friend Lex Roman of Super Easy Digital to share some thoughts with the community on marketing open hardware Read the full Newsletter here (30 words) - [Electrochemistry: Research and Development – IO Rodeo](/content/pages/electrochemistry-research-and-development/index.html): We get lots of people using the Rodeostat for research and development. Here are some words on that. (38 words) - [DNA Quantitation with the Open Colorimeter Plus – IO Rodeo](/content/blogs/ghost-newsletter/dna-quantitation-with-the-open-colorimeter-plus/index.html): In this post we describe how to perform DNA Quantitation with a commercial dsDNA fluorescence kit and our new Open Colorimeter Plus. Read the full Newsletter here (41 words) - [Forum – IO Rodeo](/content/pages/forum/index.html): This is the online community for discussing IO Rodeo products. (46 words) - [Surface Mount LEDs – IO Rodeo](/content/collections/surface-mount-leds/index.html): IO Rodeo (473 words) - [Potentiostat 1k Dummy Cell – IO Rodeo](/content/products/potentiostat-1k-dummy-cell/index.html): This is an assembled and ready-to-use potentiostat dummy cell with a 10K Ohm 0.1% precision resistor and 3-pin header. PCB size = 5 x 3.25 cm.  Potentiostat dummy cells can be used for current calibration as described here. The dummy cells can also can be used for simple demonstrations and testing device frequency resp (213 words) - [Open Colorimeter – IO Rodeo](/content/products/open-colorimeter/index.html): The Open Colorimeter is a portable and customizable colorimeter for measuring absorbance, transmittance and concentration. The cuvette holder and enclosure are made from 3D-printed black nylon material and the electronics are programmed with open source firmware written in CircuitPython. (521 words) - [Multichannel Open Colorimeter – IO Rodeo](/content/products/multichannel-colorimeter/index.html): The Multichannel Open Colorimeter is a photometer for measuring light absorbance through samples in a standard 10mm pathlength cuvette. The device uses the Adafruit AS7341 10-Channel Light Sensor. The AS7341 light sensor is an multichannel light sensor with 8 channels covering the visible light spectrum from 415-680 nm (356 words) - [Potentiostat 1M Dummy Cell – IO Rodeo](/content/products/potentiostat-1m-dummy-cell/index.html): This is an assembled and ready-to-use potentiostat dummy cell with a 1M Ohm 0.1% precision resistor and 3-pin header. PCB size = 5 x 3.25 cm.  Potentiostat dummy cells can be used for current calibration as described here. The dummy cells can also can be used for simple demonstrations and testing device frequency respo (213 words) - [Open Colorimeter – IO Rodeo](/content/collections/current-controlled-led-boards/index.html): The Open Colorimeter is an open hardware science instrument for researchers, educators and hobbyists. Use with colorimetric assays either in the lab, field or classroom for environmental studies, water-quality monitoring, biochemistry and more. Check out the Project Documentation to learn more.  (426 words) - [Rodeostat: open source potentiostat – IO Rodeo](/content/products/rodeostat/index.html):   The Rodeostat is an open source potentiostat for performing electrochemical measurements. It is designed to work with the Adafruit ItsyBitsy M4 Express Board. It is a very flexible instrument with multiple output voltage and current measurement ranges.  Current measurement ranges: +/- 1, 10, 100, 1000uA Output voltag (380 words) - [Rodeostat enclosure – IO Rodeo](/content/products/rodeostat-enclosure/index.html): This is a 3D printed enclosure for the Rodeostat open source potentiostat. Material used is black SLA resin. The enclosure design process is described on our Resources site, Newsletter #7. Rodeostat Enclosure Details Dimensions: 95.7mm width x 133.8mm length x 28.2mm height Two 3D-printed parts (base and top)   Recesse (184 words) - [pH FeatherWing – IO Rodeo](/content/products/phfeatherwing/index.html): The pH FeatherWing V0.2 is a pH electrode amplifier which is designed to be compatible with the Feather/FeatherWing system. It fits in a standard FeatherWing doubler or tripler base and is compatible with any Feather Development board which adheres to Adafruit's Feather specification.  The pH FeatherWing is sold as a k (386 words) - [Electrochemistry: Education – IO Rodeo](/content/pages/electrochemistry-education/index.html): Rodeostats are used in educational settings. Here are some words on that. (14 words) - [Rodeostat HC: High current range – IO Rodeo](/content/products/rodeostat-hc/index.html):   The Rodeostat HC is a higher current range version of the Rodeostat open source potentiostat. It is designed to work with the Adafruit ItsyBitsy M4 Express Board. The main difference between the Rodeostat vs. Rodeostat HC is the higher current measurement ranges:   Rodeostat current measurement ranges: +/- 1, 10, 100 (247 words) - [Rodeostat FeatherWing – IO Rodeo](/content/products/rodeostat-feather-wing/index.html): The Rodeostat FeatherWing is an open source potentiostat designed to be compatible with Adafruit's Feather/FeatherWing system. It fits in a standard FeatherWing socket and is compatible with Feather Development boards which adhere to Adafruit's Feather specification and which have analog output (DAC) on pin A0. The Rod (425 words) - [Radial LEDs – IO Rodeo](/content/collections/radial-leds/index.html): IO Rodeo (510 words) - [All Products – IO Rodeo](/content/collections/all/index.html): IO Rodeo (792 words) - [LED Boards – IO Rodeo](/content/pages/led-boards/index.html): Current-controlled LED boards for using with the Open Colorimeter instruments. They can also be used for any applications using STEMMA/Qwiic to incorporate a specific-wavelength LED. LED boards are available in a wide-range of UV, Visible and IR wavelengths. (748 words) - [UV, Visible & IR LED Boards – IO Rodeo](/content/collections/led-boards/index.html): IO Rodeo (746 words) - [Open Colorimeter Plus – IO Rodeo](/content/collections/open-colorimeter-plus/index.html): IO Rodeo (570 words) - [All Colorimeter Related – IO Rodeo](/content/collections/all-colorimeter-related/index.html): The Open Colorimeter Collections is an open hardware science instrument for researchers, educators and hobbyists. Use with colorimetric assays either in the lab, field or classroom for environmental studies, water-quality monitoring, biochemistry and more. Check out the Project Documentation to learn more.  (801 words) - [Store – IO Rodeo](/content/pages/store/index.html): A new page for the online store (988 words) ## About Pages - [Contact – IO Rodeo](/content/pages/contact/index.html): We understand that purchasing and using a new science instrument is fun but can also be challenging! We are always happy to answer questions about any of our products or offer technical support to customers. Fill out the form below and we will get back to you as soon as possible. Thanks! (97 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives - [Agentsite Network](https://agentsite.network/network.html): Public index of Agentsites and their machine-readable resources