The PIR sensor allows you to detect when a person or animal moves in or out of sensor range. This sensor is what you’ll find in most modern security systems, automatic light switches, garage door ...

I am using a Arduino Nano connected to a PIR - HC-SR501 motion sensor. The Arduino Nano will read a HIGH digital input from the sensor and set an output to HIGH. The output will trigger a 5 pin relay ...

人を感知するセンサを用いたESP32のプログラムを作成してみます。 人を感知することで、人がいるときはライトをつけるシステムや、防犯用に映像を記録するシステムなどに応用することができます。 今回はHC-SR501という安価な人感センサを使いますが、私 ...

[Revanth Kailashnath] writes in to tell us about an interesting project he and his team have been working on for their “Real Time Embedded Programming” class at the University of Glasgow. Intended to ...