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Simple Mobile Phone Detector Circuit [Tested]

Last Updated on December 13, 2024 by Swagatam 162 Comments

RFsensor

A cellphone or mobile phone detector is actually a high gain op amp amplifier which detects slightest of RF disturbance from a mobile phone, and illuminates an LED. Mobile phones today being the major generator of RF interference is easily picked up by this circuit and can be seen through an LED illumination at the […]

Filed Under: Sensors and Detectors Tagged With: Detector, Mobile, Phone, Simple, Tested

Mobile Phone Controlled Door Lock Circuit

Last Updated on January 8, 2024 by Swagatam 49 Comments

Controlling your door lock through your personal cell phone was never this easy. Learn how to build a simple electronic circuit that will help in converting your ordinary door lock into a high security door lock which can be now controlled through your own cell phone. Your ordinary door lock can be now very easily […]

Filed Under: Security and Alarm Tagged With: Controlled, Door, Lock, Mobile, Phone

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