BlinkWheel's tuneful sequence is controlled by flashing LEDs

Hackspace tinkerer Koka Nikoladze has built an impressive electromechanical monophonic step sequencer called the BlinkWheel. The looped sounds are triggered when a rotating arm comes into contact with LEDs spaced out around the upper disc. A sound can be added to the sequence by popping a new LED into an available slot, or removed by simply lifting it out again.