5pcs HC-SR04 Ultrasonic Sensor, Distance Sensor Ultrasonic Tra | Shop The World
From USA
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5pcs HC-SR04 Ultrasonic Sensor, Distance Sensor with Ultrasonic Transmitter and Receiver Module Compatible with Ar-duino UNO MEGA2560 Nano Robot XBee ZigBee
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Test mode :Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back.
•The detection zone: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°.
•Power supply: 5V DC; Quiescent current: less than 2mA.
•Test distance = ((Duration of high level)*(Sonic :340m/s))/2.
From USA
