Category:RPI Serial
Find Serial Port
- GIF tutorial please open the right image
- Run raspi-config
- Choose interface options
- turn OFF login shell over serial, turn ON uart
- check serial input by: ls -l /dev:
cat /dev/serial0 cat /dev/ttyS0
Raspberry Pi Communicate with Arduino
- Arduino D1/TX pin to RPI GPIO15 / RX
- cat /dev/ttyS0