[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

The 5-Channel IR Sensor Array PCB project focuses on designing and implementing a PCB board equipped with TCRT5000 IR sensors. This project aims to create a versatile sensor array for precise infrared ...

H&Iグローバルリサーチ株式会社（本社：東京都中央区）は、この度、Technavio （Infiniti Research）が発行した「光学センサの世界市場：画像センサ、位置センサ、光ファイバーセンサ、IRセンサ、アンビエントライト・近接センサ」調査レポートの取扱・販売を ...

The files in this repository accompanied an Adafruit Learning System tutorial and were moved to https://github.com/adafruit/Adafruit_Learning_System_Guides/tree ...