Name: Ultrasonic Sensor HC-SR04
SKU: SM0028
Availability: InStock

oltage: DC5V;Quiescent Current: <2mA;level output: the output of the high 5V;level: the end of 0V;Induction Angle: not more than 15 degrees: detection range: 2cm 450cm;High precision: up to 0.3cm
the module HC SR04 works: (1) IO trigger ranging to at least 10us high signal; (2) module automatically sends eight 40kHz square wave, automatically detect whether a signal return; (3) a signal to return to a high IO output, high duration of the ultrasonic time from launch to return.
Panel wiring, VCC, trig ‘s (control side), the echo (receiving end), out (empty feet), GND
Note: TRIP pin internal pull up 10K resistor, down TRIP microcontroller IO port pin, and then to a 10us pulse signal.

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Ultrasonic Sensor HC-SR04