A simple PCB keyboard that you can easily use for your Arduino project. Fully-customizable code provided!
Project tutorial by Cameron Coward
Use a vintage rotary phone dial to control the volume on your Windows PC.
A small, inexpensive iontophoresis device designed with convenience in mind.
Our device is for primary care physicians as well as at home patients to treat Benign Paroxysmal Positional Vertigo with ease.
Project tutorial by Purdue MIND
Sorry for the late reply, I didn't see this until now! It is a standard 2-layer PCB :)
I believe diodes are required for every key to avoid ghosting.
That's awesome! Post a picture!
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