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/ASIN/B000VC8RSE/afromods-20
Check out my webpage for more electronic projects! http://www.afrotechmods.com
Видео How to build a simple laser tachometer канала Afrotechmods
Professional laser tachometer on Amazon: http://www.amazon.com/exec/obidos/ASIN/B000VC8RSE/afromods-20
Check out my webpage for more electronic projects! http://www.afrotechmods.com
Видео How to build a simple laser tachometer канала Afrotechmods
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