CM3-Home technical documentation Buy
Configure
echo 21 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio21/direction
echo 0 > /sys/class/gpio/gpio21/value
echo 22 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio22/direction
echo 0 > /sys/class/gpio/gpio22/value
Turn on
echo 1 > /sys/class/gpio/gpio21/value
echo 1 > /sys/class/gpio/gpio22/value
Turn off
echo 0 > /sys/class/gpio/gpio22/value
echo 0 > /sys/class/gpio/gpio22/value
import RPi.GPIO as GPIO
import time
RELAY_LEFT=21
RELAY_RIGHT=22
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(RELAY_LEFT,GPIO.OUT)
GPIO.setup(RELAY_RIGHT,GPIO.OUT)
for i in range(5):
GPIO.output(RELAY_LEFT,GPIO.HIGH)
GPIO.output(RELAY_RIGHT,GPIO.LOW)
time.sleep(1)
GPIO.output(RELAY_LEFT,GPIO.LOW)
GPIO.output(RELAY_RIGHT,GPIO.HIGH)
time.sleep(1)
GPIO.output(RELAY_LEFT,GPIO.LOW)
GPIO.output(RELAY_RIGHT,GPIO.LOW)