WYPH Ultrasonic Module HC-SR04 Distance Measuring Ranging Sensor for Arduino UNO for Mega R3 Duemilanove Nano Robot Pack of 10pcs
- Using IO trigger for at least 10us high level signal.
- The module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
- If the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level....
- Power supply :5V DC, quiescent current : .