This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Arduinoを使った電子工作で人気の「自動制御」。今回は、安価で入手しやすい「超音波距離センサー（HC-SR04）」と「サーボモーター」を使い、前方の障害物を検知して自動でハンドル（舵）を切る、障害物回避システムの作り方をステップバイステップでご ...

If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for collision avoidance and lane detection. But the ...

Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...