Been a while since I breadboarded a non-trivial #electronics project. NE555 IC astable oscillator controls the RPM of a spinning disk driven by a DC motor, with the help of a photo interrupter sensor, full bridge rectifier, and a counterfeit LM358 dual op amp

#making

All this was to make a Useless Machine with a difference. Instead of switching itself off this one Hertz itself.

Yes, all that work for a Dad joke

#making #electronics #KineticSculpture

See the project page for more details of the build and electronic circuit
https://hackaday.io/project/203810-hardwired-to-destroy-itself

A last minute rushed entry in Hackaday.IO's One Hertz Challenge
https://hackaday.io/contest/203248-one-hertz-challenge

Hardwired to Destroy Itself

Starting with the standard 555 astable oscillator circuit tuned to flash an LED at 1 hertz, I show how by adding a dual op amp, full bridge rectifier, and photo interrupter sensor, the rotation of a DC motor can be synchronized with pin 3 of the NE555 IC. Building on the 60 rpm spinning disk, one can make a machine where components on the protoboard itself are periodically damaged by a drill bit.

Maybe I'll pretend I was inspired by Jakob Grosse‑Ophoff's "Humanity"
https://youtube.com/shorts/nxKPCta61mg
#KineticArt #KineticSculpture
Before you continue to YouTube