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CircuitPython Source Now Available
05/21/2022 at 17:59 • 0 commentsCheckout the source code here:
https://github.com/dupontgu/strange-phone-circuitpython
Once again, if you are trying to recreate, make sure you double check your pin name/numbers. -
Add Schematic
05/18/2022 at 15:41 • 0 commentsIMPORTANT!
1. I used a SparkFun RP2040 Thing Plus for the microcontroller. It is pin compatible, but the pins are named differently.
2. Double check the keypad row/column pin numbers in the code. They might be slightly different.
3. I didn't include the power section. I used 8 X AAA batteries, and used a voltage regulator to take that down to 5V.Schematic (Fritzing)