When Elgato announced its new Stream Deck Pedal, the maker world said “Hey I can make one of those for less dollars.” And with that battle cry, Les Pounder reached for a Raspberry Pi Pico (actually an Adafruit’s KB2040) and raided the box of switches to build an alternative.
The circuit for this project is extremely simple. It uses three GPIO pins (2,3 and 4) and a common Ground (GND) connection. We connect the buttons to pins 2,3 and 4, then connect each button to a different GND pin on the Pico. All of the GND pins connect to a single GND, creating a common reference point.
Installing CircuitPython is extremely simple and Adafruit has a fantastic guide on how to do this.
Check out the build in the post here.
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