How to build a simple laser tachometer

Описание к видео How to build a simple laser tachometer

Did you know you can use an LED as a light sensor? In this video I show you how to use this phenomenon to build a laser tachometer capable of measuring the RPM of mechanical devices.
Professional laser tachometer on Amazon: http://www.amazon.com/exec/obidos/ASI...
Check out my webpage for more electronic projects! http://www.afrotechmods.com

Комментарии

Информация по комментариям в разработке