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
Left handed Guitar hero mod & more mods! – Link
More 555 timer projects – Link