Friday, July 7, 2017

Sprinkler control via BBB

Added Opto 22 relay with external 24AC source to control solenoid to backyard drip irrigation.

#!/bin/bash         

echo high > /sys/class/gpio/gpio67/direction
logger SPRINKLER ON

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1 comment:

  1. RookJuly 6, 2018 at 1:13 PM

    Back up and running on Raspberry Pi 2:

    root@raspbx:~# echo 4 > /sys/class/gpio/export
    root@raspbx:~# echo out > /sys/class/gpio/gpio4/direction
    root@raspbx:~# echo 1 > /sys/class/gpio/gpio4/value
    root@raspbx:~# echo 0 > /sys/class/gpio/gpio4/value

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