Useless Machine - This 1 Hertz Itself

I made a useless machine with a twist. This - one - hertz itself. NE555 timer + counterfeit LM358 opamp + full bridge rectifier diodes + photo interrupter + DC motor = 60 bpm spinning disk Add a spinning drill bit and we are in for a world of 1 Hertz This is my entry in the Hackaday One Hertz Contest: https://hackaday.io/project/203810-hardwired-to-destroy-itself