keypad with arduino

How to Set Up a Keypad on an Arduino

In this tutorial, we are learning how to set up a keypad matrix with an Arduino. We use both type keypads i.e 4×3 keypad and 4×4 keypad. The output is shown in the serial monitor. Keypads are used to giving outputs like passwords, menu navigation, gaming control, etc. A 4×4 keypad has 4 rows and 4 …

How to Set Up a Keypad on an Arduino Read More »