Running the Example

Connect the keypad to the ATmega1627 Curiosity Nano as follows:

Row 0: PB0
Row 1: PB1
Row 2: PA2
Row 3: PA1
Column 0: PC3
Column 1: PC0
Column 2: PC1
Column 3: PC2

Connect the red LED to PB3 and the green LED to PB2

Connect the ATtiny1627 Curiosity Nano to a computer using a USB cable

Download the application as explained in Section Get Code Examples from Atmel START and program it to the ATtiny1627 Curiosity Nano

The pin code “123ABC” is programmed to be the passcode. Try pressing this code followed by pound (#) to observe the green LED flashing. Try a different code to observe the red LED flashing.