HC-SR04 Ultraschallsensormodul Entfernungsmessumformer für Arduino
13,87 €
Serial port output: plug in the ultrasonic module, the module's VCC, TX, RX, GND are connected to USB to TTL module 5V, RX, TX, GND, serial communication baud rate 9600, the output format: "D: XXX \ r \ n ", Where XXX represents the distance, the unit is CM.
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