Ohms Law Trainer Boards – Series and Parallel Circuits are LIVE on Kickstarter!

Thanks to the generous support of our repeat customers, the Kickstarter funding goal was met in a record time of 14 minutes! Sign up before the campaign ends to get yours at the Kickstarter price. Ohm’s Law Trainer boards are a whole new way to master ohms law. Instead of schematic diagrams on paper, these are Ohm’s law practice problems in the form of real circuits. Identical paper worksheets are also included. Click the image to check out the campaign.
Reference Circuits Volume 4: Digital Logic is (still) coming soon to Crowd Supply
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Reference Circuits Volume 0, 1 and 2 are in stock

Open Source Projects
Visit our Open Source Projects page to see all of our open source projects.



4017 Clock


Capacitive Amphibians, Bionic Insects, and PCB Art
Check out www.iandunnart.com for Nixie clocks and unique artwork made from PCB’s and electronic components.




