#!/bin/bash
# Sequence of testing the 4 relays

 for i in `seq 20 23`;
        do
                echo 1 > /sys/class/gpio/gpio$i/value
                sleep 1
        done
 for i in `seq 20 23`;
        do
                echo 0 > /sys/class/gpio/gpio$i/value
                sleep 1
        done

 for i in `seq 20 23`;
        do
                echo 1 > /sys/class/gpio/gpio$i/value
        done
 sleep 1
 for i in `seq 20 23`;
        do
                echo 0 > /sys/class/gpio/gpio$i/value
        done