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two circuit diagrams showing the electronic components

homemade-circuits.com

Simple Mobile Phone Detector Circuit [Tested] – Homemade Circuit Projects

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 […]