EPLZON HC-SR04 Ultrasonic Module Distance Sensor fit for Arduino UNO MEGA Nano Robot XBee ZigBee (Pack of 5 pcs) auspowers_batchtwo You can also add a

You can also add a micro SD card to improve storage capacity

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Item Package Dimension:10

The exterior of the inner wall

EPLZON HC-SR04 Ultrasonic Module Distance Sensor fit for Arduino UNO MEGA Nano Robot XBee ZigBee (Pack of 5 pcs) auspowers_batchtwo You can also add aEPLZON HC SR04 Ultrasonic Module Distance Sensor fit for Arduino UNO MEGA Nano Robot XBee ZigBee (Pack of 5 pcs) EPLZON HC SR04 Ultrasonic Module Distance Sensor fit for Arduino UNO MEGA Nano Robot XBee ZigBee HC SR04 can measure the distance between the sensor and the object by the time from the sound wave of a specific frequency to the time it takes to hear the sound wave bounce. HC SR04 is composed of ultrasonic transmitter, receiver and control