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Tuned Infrared (IR) Detector Circuit

Last Updated on July 6, 2019 by Swagatam 4 Comments

The article is a continuation of the earlier post where we tried to find a solution for creating unique infrared IDs for trains in a model locomotive system. Here we […]

Filed Under: 555 IC Circuits, Infrared (IR), Sensors and Detectors

Model Locomotive Infrared Controller Circuit

Last Updated on July 6, 2019 by Swagatam 16 Comments

The article discusses a model locomotive controller circuit using uniquely set IR beams for different locomotives allowing unique identification signals and controls for the engines. The idea was requested by […]



Filed Under: 555 IC Circuits, Car and Motorcycle, Infrared (IR)

Heart Rate Monitor Circuit

Last Updated on October 18, 2019 by Swagatam 14 Comments

In this article we comprehensively discuss a relatively accurate electronic heart rate sensor circuit processed by a few discretely wired opamp circuit stages, and subsequently we’ll learn how this can […]

Filed Under: Health Related, Industrial Electronics, Infrared (IR)

Wireless Helmet Mounted Brake Light Circuit

Last Updated on February 2, 2019 by Swagatam 106 Comments

The post explains an innovative wireless LED brake light circuit which can be attached to a biker’s helmet. The LEDs attached with the helmet circuit illuminates in response to the […]

Filed Under: Car and Motorcycle

Free 200 Volts Just Above your Head

Last Updated on September 21, 2022 by Swagatam 54 Comments

Lightning in skies is the phenomenon which proves beyond doubt that free electrical energy could be there in abundant quantities all around us. Warning: The concept explained in this article […]

Filed Under: Free Energy

Remote Controlled Pulley Hoist Mechanism Circuit

Last Updated on October 13, 2019 by Swagatam 4 Comments

The post discusses a self locking worm gear mechanism for hoisting heavy loads through an electrical motor. The main feature of the system being its self locking in an event […]

Filed Under: Remote Control



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