home security using infrared and ultrasonic sensors

How PIR Sensor Works and How To Use It with Arduino

http://howtomechatronics.com/tutorials/arduino/how-pir-sensor-works-and-how-to-use-it-with-arduino/ ▻ Find more details, source codes and circuit schematics here. In this Arduino Tutorial...

An ultrasonic motion detector security circuit - No Software Required!

http://www.engineeringshock.com/ultrasonics.html.

Ultrasonic, Infrared and PIR sensors

Each sensors has its own capabilities, so for this video i will show you how to use these sensors and what is the best sensor suitable for your projects. So if you want a detailed tutorial...

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