Fleemy Hc Sr04 Ultrasonic Module Distance Range Detecting Sensor Arduino | Desertcart Cayman Islands
Fleemy HC-SR04 Ultrasonic Module Distance Range Detecting Sensor for Arduino UNO MEGA2560 Nano Robot XBee ZigBee_2pcs
Product ID: 35570971
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Description
Pack of 2pcs . This sensor module is used for detecting range (distance) using sound waves . This sensor measure range to an object by sending a sound signal and measuring the time of the signal to return . It is typically used in small electronic robots where a small control computer requires the range of a nearby object.
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
Power supply:5V DC, quiescent current<2mA, Sensed angle<15 , Detect distance: 2cm-500cm, accuracy: 0.3 cm
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