Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3 Mega2560 Duemilanove Nano Robot XBee ZigBee S03 electronic 【4 inch HD Touchscreen】800x480 pixel
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Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3 Mega2560 Duemilanove Nano Robot XBee ZigBee S03 electronic 【4 inch HD Touchscreen】800x480 pixelTest 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 Package included: 5pcs HC SR04+ 2pcs Mounting
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