Got a Rev2 RaspberryPi as a pressie - guess I should try something more than twinkle twinkle LEDs - but their fun! and a bit of bash that runs it ...#!/bin/bash# make LED blink version 8# try random timings with random on or off# use subroutine for random bit# init first 3 GPIO pinsgpio mode 0 outgpio mode 1 outgpio mode 2 outecho "make LED blink version 8"echo "try random timings with random on or off"# function rnd returns 0 or 1 through $?rnd () {r=$RANDOMif [ $r -lt 16000 ]thenreturn 0elsereturn 1fi}# x is a permanent loopx=0while [ $x -lt 1 ]dorndgpio write 0 $?sleep '0.'$RANDOMrndgpio write 0 $?sleep '0.'$RANDOMrndgpio write 1 $?sleep '0.'$RANDOMrndgpio write 1 $?sleep '0.'$RANDOMrndgpio write 2 $?sleep '0.'$RANDOMrndgpio write 2 $?sleep '0.'$RANDOM## back uprndgpio write 1 $?sleep '0.'$RANDOMrndgpio write 1 $?sleep '0.'$RANDOMdone #x=0Attachments: 3LED_Blink_snap.jpeg
