This Capacitive Proximity Sensor Circuit works like an electronic watchdog that detects when someone comes nearby using electronic components. Also, these kinds of circuits work in smart home devices, automatic lights and security systems; the circuit detects changes around it, especially when a person comes near and then it blinks a light or sounds an […]
Security and Protection
Precision Electronic Rat Repellent Circuit
When we plug in Precision Electronic Rat Repellent Circuit device, it makes high loud noise that rat and mouse do not like. Also, humans and most animals cannot hear this noise because of its very high frequency, hence, this device is a good choice if we do not want to use poison, as it produces […]
Simple Electronic Code Lock Circuit
To begin with, this is easy and Simple Electronic Code Lock Circuit; to open door or box no need of key we can use special code instead. Also, this circuit uses buttons and code to the open lock, so only correct code can open and wrong code will not work. Circuit Working: Parts List: Components […]
PIR Motion Sensing Security Light Circuit
This PIR Motion Sensing Security Light Circuit is a very nice project for person who love electronics. Furthermore, this circuit uses a special sensor for security; unlike normal switches that turn lights ON and OFF manually, this light includes a built-in motion sensor. Here, the sensor can see the movement like someone is walking and […]
Voice Recorder and Playback Circuit
Does anyone get tired of buying expensive voice recorders? then this Voice Recorder and Playback Circuit show how to make easy one at home! Also, we can use it to record small message for family or friend, by just pressing two button one for record and other one to listen. Note: This project is little […]
Self Discharge Battery Protection Circuit
This article for Self Discharge Battery Protection Circuit teaches how to make one easy circuit to protect car battery (lead acid type) when not using. Also, this circuit help battery live more long time and keeps it healthy. WARNING: Making lead battery for car can be dangerous, so try to do this with one big […]