Some may call it cheating but many more will call it “Sweeeeeeet”!
Take your game to the next level by modding a Guitar Hero controller with a 555 timer circuit – making inhumanly fast whammy attacks finally a reality. Ryan posted a great how-to (in between solos):


HOWTO Hack Your Guitar Hero Whammy Bar – Link


Guitar Hero Mods
Left handed Guitar hero mod & more mods! – Link

555 Timer Projects
More 555 timer projects – Link