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Search Results for: laser

Foolproof Laser Security Alarm Circuit

Last Updated on July 3, 2019 by Swagatam 11 Comments

The post discusses a a simple yet versatile foolproof laser security alarm circuit which can be used for securing any concerned premise with extreme accuracy. The idea was requested by […]

Filed Under: Laser Projects, Security and Alarm

Laser Communicator Circuit – Send, Receive Data with Laser

Last Updated on June 3, 2022 by Swagatam 26 Comments

The article discusses how to make a simple laser communicator circuit for sending and receiving data through laser beam. Laser has been a boon since its invention. Laser is used […]



Filed Under: Laser Projects, Mini Projects, Security and Alarm

Laser Diode Driver Circuit

Last Updated on October 16, 2020 by Swagatam 35 Comments

The current controlled circuit of a laser pointer power supply explained in the following post was requested by Mr. Steven Chiverton (stevenchiverton@hotmail.com), who himself is an intense electronic hobbyist and researcher. Technical […]

Filed Under: Laser Projects, Security and Alarm

Laser Beam Light Activated Remote Control Circuit

Last Updated on July 3, 2019 by Swagatam 15 Comments

laser beam remote control circuit

The following post illustrates a simple light toggled/operated remote control circuit, which can be activated by an ordinary flashlight or more effectively through  a laser beam unit (key chain type). […]

Filed Under: Laser Projects, Remote Control, Security and Alarm

Atmospheric Pressure Indicator Circuit [LED Barometer Circuit]

Last Updated on June 28, 2023 by Swagatam Leave a Comment

With temperature, if there is one characteristic physical quantity of the past or future weather, it is certainly atmospheric pressure. The variations of this quantity are particularly interesting for weather […]

Filed Under: Sensors and Detectors

Circuit Projects for Beginners and School Students

Last Updated on November 4, 2022 by Swagatam 43 Comments

In this article we will learn how to build small electronic circuit projects suitable for beginners, young hobbyists, school students, who are new to electronics and are at the initial […]

Filed Under: Fun Projects, Mini Projects



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