Ultrasonic Sensor Board

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Ultrasonic is used frequently in distance measurement due to its directional property and it can travel a longer distance.

This SP-40-38F ultrasonic sensor board adds a pair of Tx/Rx ultrasonic transceiver and an amplifer. C and Assembly code of 8051 are provided.

Interface:

Pin 1: connect GND

Pin 2: connect MCU's P3.2

Pin 3: Connect MCU's P1.0

Pin 4: Connect MCU's VCC 5V

Download:

        Shematics

        C example code

         Assembly example code