A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

In this tutorial we are going to interface a 4x4 (16 key) keypad with ATMEGA32A microcontroller. We know that keypad is one of the most important input devices used in electronics projects. Keypad is ...

In this tutorial, you will build a breadboard keyboard with 4 keys. The keyboad will be used in tutorials 2 through 7. When you finish this tutorial you will have a working keyboard and an ...

In this tutorial we are going to interface a 4x4 (16 key) keypad with ARDUINO UNO. We all know keypad is one of the most important input devices used in electronics engineering. Keypad is the easiest ...

Today we are going to be learning how to directly interact with the keypad in order to move a square around on the screen. You can find the keypad hardware documentation here. Great, now we can get ...