Adafruit Trellis Shield Latching Keyboard Test using ATmega328P with Proteus Simulation
Introduction This microcontroller project demonstrates how to use the Adafruit Trellis Shield as a latching LED keyboard with an ATmega328P in a Proteus simulation environment.The project focuses on reading button inputs over I2C and controlling LEDs in a clean, interactive way.It is a practical embedded systems example for learning key scanning, LED control, and I2C […]










