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433 MHz Remote Infrared Wireless Alarm

Last Updated on August 2, 2019 by Swagatam 6 Comments

A simple infrared wireless alarm circuit can be built using an 433 MHz RF remote control unit a TSOP based IR sensor, let’s learn the procedures in detail. In a […]

Filed Under: Infrared (IR), Remote Control, Security and Alarm

Infrared Remote Controlled Door Lock Circuit

Last Updated on June 1, 2020 by Swagatam 16 Comments

In this article we learn about a simple infrared remote controlled door lock circuit which can be used for securely locking doors through unique foolproof IR frequencies. The proposed infrared […]



Filed Under: 4017 IC Circuits, Infrared (IR), Remote Control, Security and Alarm

Infrared Remote Control Safe Lock Circuit

Last Updated on June 1, 2020 by Swagatam 15 Comments

A simple, cheap yet highly effective infrared remote control safe lock circuit can be studied in the following post. Using IC LM567 The LM567 IC is one of my favorites […]

Filed Under: Car and Motorcycle, Infrared (IR), Remote Control, Security and Alarm

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)

Infrared (IR) Controlled LED Emergency Lamp Circuit

Last Updated on January 5, 2022 by Swagatam 22 Comments

Here we discuss a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The  idea was requested by Mr. Heeran Technical Specifications Can you please help […]

Filed Under: 4017 IC Circuits, Infrared (IR), LED and Light Effect



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