Laser Data Transmission

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https://www.electronics-lab.com/laser-data-transmission/

Lasers have been one of the essential technologies used in industries. It is realized that light outperforms radio in terms of speed and density. It has been used for communications whether in scanning barcodes, reading CD’s and DVD’s. This design is a simple data transmitter that uses a DIP switch to support the transmission of […]

Laser Diode Driver

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https://www.electronics-lab.com/laser-diode-driver/

Laser Diode Driver project will help you safely drive (constant current) a 3 mW visible Laser Diode for your application. Input supply – 2.5 to 6 VDC Onboard preset to adjust the current flow to the Laser Diode Power-On LED indicator Header connector for easy input supply and LASER DIODE module connection Laser diode is […]

How to build a simple laser tachometer

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https://www.electronics-lab.com/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. How to build a simple laser tachometer – [Link]