Component used:
- Elego Uno R3
- Membrance switch module
- Male to male jumper wire In In this project we are connecting a keypad to an UNO R3 board. we have connected the first pin of the keypad to D9, the second pin to D8, Third pin to D7, fourth pin to D6, fifth pin to D5, sixth pin to D4, seventh pin to D3, and the eighth pin to D2. below we can see the connection .
Embedded System 5 