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Infrared Remote Controlled Door Lock Circuit

Last Updated on June 1, 2020 by Swagatam 22 Comments

IRdoorlockcircuit

In this article I have explained 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 remote controlled door lock circuit can be used for locking your main door, gate, garage door, shop or any entrance which may need a […]

Filed Under: Remote Control Circuits, Security and Alarm Tagged With: Controlled, Door, Infrared, Lock, Remote

Electronic Door for Pets Circuit – Opens when Pet Nears the Door

Last Updated on July 3, 2019 by Swagatam 2 Comments

In this post I have explained a simple electronic door circuit for pets which can be used as an electronic dog door for allowing only your specific pet dog to use the entrance, while keeping it locked for “strangers”. The idea was requested by Mr. Dave Monette. Circuit Objectives It’s been a while since we […]

Filed Under: Wireless Circuits Tagged With: Door, Electronic, Nears, Opens, Pets

Knock Activated Door Security Intercom Circuit

Last Updated on March 21, 2019 by Swagatam 3 Comments

door2Bintercom

In this post I have explained a simple knock activated door security alarm circuit which can be installed by anybody for identifying a guest or an intruder at the door. The idea was requested by Mr. Akhilesh. Circuit Objectives and Requirements My brother is trying to prepare a project for his college is “Speaker intercom […]

Filed Under: Sensors and Detectors Tagged With: Activated, Door, Intercom, Knock, Security

Car Door Close Optimizer Circuit

Last Updated on January 1, 2019 by Swagatam 18 Comments

In this post I have explained and tries to solve a common car door opening issue which may be seen in quite a few old model cars. The proposed circuit of a car door close optimizer was requested by Mr. Mark Rothwell. Technical Specifications Just stumbled across your site, hope you can help/advise me?I have […]

Filed Under: Automobile Electronics Tagged With: Close, Door, Optimizer

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