Useful HC-SR04/HY-SRF05 5Pin Ultrasonic Wave Detector Ranging Module for Arduino
ab 7,29 €
1 x HC-SR04 / HY-SRF05 Ultrasonic Distance Sensor Module. TX is the serial port sending end of the module. RX is the module serial port receiving end. VCC is the 5V power interface. Data can be output through the serial port.
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