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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, December 29, 2017 02:53 AM


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Infrared Circuits
 
Circuits Designed by Dave Johnson, P.E. :

Finger Touch Activated Switch

Infrared Reflected Light Switch

Infrared Safety Switch

Infrared TV/VCR Remote Booster

Light/Dark Activated Motion Detector

Micro Power 40Khz Burst Laser Diode Driver

Optical RFID Test Circuit

Piezoelectric Tap Switch

Remote Extender Circuit

Short Range Reflective Object Sensor

Solar Powered Infrared 1W Security Camera Illuminator

TV /VCR Remote Range Extender Circuit

Voltage to Frequency Converter + 1us LED Pulse Driver

125khz Wireless Smart Key Detector

20Mhz VCSEL 3mw Laser Test Circuit

40khz TV-VCR Light Source Repeater

Color Film Makes Optical Filter

Detects Shadow Activated Motion


Dave's Circuits

Hobby Circuits

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HOME Schematics Index Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


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Copyright  January, 1998 - December, 2017     David A. Johnson & Associates.  All Rights reserved. 


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