#!/bin/bash

gpio mode 1 out
gpio mode 2 out
gpio mode 3 out
gpio mode 4 out


sleeptime=0.001s
##########################
for ((i=1; i <= 24; i++))
do

gpio write 1 1
sleep $sleeptime
gpio write 4 1
sleep $sleeptime
gpio write 1 0
sleep $sleeptime
gpio write 2 1
sleep $sleeptime
gpio write 4 0
sleep $sleeptime
gpio write 3 1
sleep $sleeptime
gpio write 2 0
sleep $sleeptime
gpio write 1 1 
sleep $sleeptime
gpio write 3 0

done
####################
gpio write 1 0
gpio write 2 0
gpio write 3 0
gpio write 4 0