An ultrasonic water level controller is a device which can detect water levels in a tank without a physical contact and send the data to a distant LED indicator in […]
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4 Easy Boost Converter Circuits Explained
Video Demonstration Four simple boost converter circuits are explained in this post, which can be built and used for converting a low level DC voltage input to a higher level […]
Wireless Office Call Bell Circuit
In this post we are going to construct wireless office calling bell which can be used for calling 6 different personnel from head’s / boss’s desk or some other calling […]
Remote Control Infrared Tester Circuit
We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or […]
Vehicle Speed Detector Circuit for Traffic Police
In this post we are going to construct a circuit which can measure the speed of any vehicle on roads and highways. The proposed circuit is kept stationary at a […]
PIR Sensor Datasheet, Pinout Specifications, Working
In this post we are going to explore the datasheet of PIR or Pyroelectric Infrared Radial Sensor HC-SR501. We will understand for what purpose PIR sensor is used? Its basic […]