In this post I have explained how a landline telephone can be rigged up wirelessly with a small transmitter circuit, enabling easy tapping of the telephone, by transmitting the conversations […]
Search Results for: transistor circuits
Cellphone Controlled Plant Watering Circuit
In this article I have explained a couple of circuits that will allow automatic watering of plants and flower pots, even while the owner of the house is away from […]
Vehicle Parking Lot Counter Circuit
In this post I have explained how to construct a vehicle counter circuit that can count the number of vehicles entered in a parking lot at office building, schools, libraries, […]
Electronic Acupuncture Circuit [Bio-Stimulation Circuit]
In this article I have explained how to build an electronic acupuncture circuit, also called bio-stimulation circuit., and use it for a possible treatment of many common body ailments, without […]
Ultrasonic Motion Detector Circuit
This ultrasonic motion detector circuit project picks up movement of any object including human beings from a distance of 4 to 7 meters away. As soon as the motion is […]
Battery Deep Discharge Protection Circuit
In this post I have explained how to build a battery deep discharge protection circuit which can be used for protecting any type of battery from over discharge through a […]
