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Posted in Arduino Hacks Tagged Arduino Uno, atmega328p, oled, perboard ← Warnings Are Your Friend – A Code Quality Primer Supercon Badge Hackers Racing The Clock → ...
The keypad uses an onboard ATMega328P to scan the matrix for button presses, decode them, and send them via UART or I²C to an Arduino. [ELECTRONOOBS] has the PCB files available via Patreon for ...
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