4×4 Keypad with Arduino
Introduction Today we are going to connect the 4×4 keypad to an Arduino UNO. You can connect this to any Arduino board with 8 free digital pins. This keypad has a total of 16keys, including ABCD, Pound, and an asterisk. Required Hardware For this module you will need: Arduino Uno 4×4 Keypad male to male jumper wires…
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