Created
February 24, 2017 19:11
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ModMyPi PiOT example code
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
# https://www.modmypi.com/raspberry-pi/breakout-boards/modmypi/modmypi-piot-relay-board | |
from __future__ import print_function, unicode_literals | |
import sys | |
import RPi.GPIO as GPIO | |
import time | |
RELAY_CONNECT_PIN = 3 # GPIO 2 (not configurable) | |
RELAY1_PIN = 29 # GPIO 5 | |
RELAY2_PIN = 31 # GPIO 6 | |
RELAY3_PIN = 33 # GPIO 13 | |
RELAY4_PIN = 35 # GPIO 19 | |
RELAY_LIST = [ | |
RELAY1_PIN, | |
RELAY2_PIN, | |
RELAY3_PIN, | |
RELAY4_PIN | |
] | |
def handshake(): | |
for idx in range(4): | |
GPIO.output(RELAY_CONNECT_PIN, 1) | |
time.sleep(0.05) | |
GPIO.output(RELAY_CONNECT_PIN, 0) | |
time.sleep(0.05) | |
def do_piot_test(): | |
try: | |
GPIO.setwarnings(False) | |
GPIO.setmode(GPIO.BOARD) | |
GPIO.setup(RELAY_CONNECT_PIN, GPIO.OUT) | |
GPIO.output(RELAY_CONNECT_PIN, 0) | |
for relay_pin in RELAY_LIST: | |
GPIO.setup(relay_pin, GPIO.OUT) | |
GPIO.output(relay_pin, 0) | |
time.sleep(2) | |
handshake() | |
for relay_pin in RELAY_LIST: | |
GPIO.output(relay_pin, 1) | |
time.sleep(1) | |
GPIO.output(relay_pin, 0) | |
time.sleep(1) | |
time.sleep(2) | |
handshake() | |
finally: | |
GPIO.cleanup() | |
if __name__ == "__main__": | |
try: | |
do_piot_test() | |
except Exception as e: | |
print('Error:{}: {}'.format(e.__class__.__name__, e), file = sys.stderr) | |
sys.exit(1) | |
except KeyboardInterrupt: | |
pass |
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