Arduino-with-a-push-button-&-LED-matrix This is the first task for the Electronics and Power Department. It consists of two assignments: the first involves building a circuit with an Arduino UNO and a ...

4x4-Matrix-Keypad Wiring of a 4x4 Keypad built using Arduino in TinkerCAD A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key ...