Specifications:
Working VoltageDC5VQuiescent Working Current5mATotal Working Current30mAWave Transmit Frequency40kHz Maximum. Measuring Distance5mBlind Zone25cmSize28.5*41mmResolutionApprox 0.5cmAngle<50 degreeWorking Temperature-10℃~70℃Storage Temperature-20℃~80℃
Wiring:
+5V (power supply positive) Trig (control) RX Echo (receive) TX GND (power supply negative)
Basic Working Principle: (1) Using IO port TRIG trigger measuring distance, high level signal for at least 10uS. (2) Module automatically sends eight 40kHz square wave, automatically detects whether there is return signal. (3) When there is return signal, through IO port ECHO output a high level, the duration of the high level is the time of ultrasonic wave from sending to returning distance = (high level time * sound velocity (340m/S))/2;
This module is simple to use, a port sends a high level of more than 10uS, then wait for high level output at receive port. Timer was enabled once there is output, and read time when this port becomes low level, which is the time of this measurement. Use the time to calculate distance. Constantly cycle measurement can reach your mobile measuring values.
Package Includes:
1 x Distance Measuring Module and Sensor