these instructio.s are off!!! youtube video is wrong too!! DO NOT FOLLOW THIS INFO. OR YOU WILL FRY YOUR LM358 chip!!! its something to do with #1 linear lot. switch...its not only two pins connected!! dr beck wouldnt even ise a part that wasnt meant to fit!!! I.m sooo sure... SO?? are u purposlly steering ppl wrong?? why dont y look at comments under ur utube video!!! jerk!! u owe alot ppl new chips!! me for 1!! jerk..karma will get.ppl like u!!