Electronic DIY Ultrasonic Sensor HC-SR04 Ultrasonic Module For Arduino
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Electronic DIY Ultrasonic Sensor HC-SR04 Ultrasonic Module For Arduino
Description:
1.Working Voltage : 5V(DC)
Specifications:
Module working principle:
(1) using IO trigger location, to at least10us high level signal; (2) module to automatically send8 40KHz square wave, to automatically detect whether a signal return; (3) a return signal, through the IO outputs a high level, high level for a time is Ultrasonic wave from the transmitter to the return time. Testing distance = ( high level time * speed of sound (340M/S ) ) /2;
Competitive Advantage:
1. Convenient & Friendly Customer Service |
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