HC-SR04 Ultraschall Modul Abstandssensor passend für Arduino Roboter XBee ZigBee von 5
EPLZON HC-SR04 Ultrasonic ranging transducer sensor. It will not be shared in any other way, your details are 100% secure. Test mode: Use IO to trigger high-level signals. Test distance=((high level duration) (sound wave: 340m/s))/2.