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Matrix Keypad Demo Using The USB HID Class This example demonstrates how the USB Human Interface Device (HID) class on the AVR® DU microcontroller (MCU), paired with the AVR64DU32 Curiosity Nano Board ...
DESCRIPTION : This project demonstrates how to interface a 4x4 matrix keypad with an LCD (16x2) display using an Arduino board. The system captures key presses from the user via the keypad and ...