This results in a waveform on the receiver’s circuit which can be easily used ... between interrupts the period can be established and RPM calculated. You can see a video of the test rig after ...

He even gets his motor up to 12,500 rpm with his homebrewed drive circuit. Making your own motors can help you solve some difficult engineering challenges, like building motorized rollerblades.

Garage Tinkering plans to expand the project with more customizable features, such as door status, lights, and temperatures. This DIY technology shows how curiosity, hardware, and software can make ...