Adafruit Trellis Shield Latching Keyboard Test using ATmega328P with Proteus Simulation
Introduction This project demonstrates an Adafruit Trellis Shield latching keyboard test using the ATmega328P controller in a Proteus simulation environment. It is a simple but useful microcontroller project for learning how a keypad-style LED button matrix works with an Arduino-compatible AVR controller. The system reads button presses from the Trellis keypad and toggles the matching […]
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