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How to build a simple laser tachometer

Duration: 02:21Views: 226.1KLikes: 6.7KDate Created: Aug, 2015

Channel: Afrotechmods

Category: Science & Technology

Tags: voltslaser diodeelectronicscircuitelectronic engineering (field of study)tachometeroscilloscopedo it yourself (hobby)electricalledpropellorrobotlaser diode (invention)light-emitting diode (invention)laserlaser (invention)radio control (invention)electronics (field of study)laser tachometer

Description: 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: amazon.com/exec/obidos/ASIN/B000VC8RSE/afromods-20 Check out my webpage for more electronic projects! afrotechmods.com

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