A PIR motion sensor alarm is a device which detects the infrared radiation from a moving human body and triggers an an audible alarm. The post discuses 5 simple motion […]
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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 […]
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 […]
Capacitor Leakage Tester Circuit – Find Leaky Capacitors Quickly
This simple capacitor tester is capable of testing leaky electrolytic capacitors in the range of 1uf to 450uf. It can test large start and run capacitors as well as 1uf […]