Makeblock, Me Ultrasonic Sensor

Makeblock, Me Ultrasonic Sensor

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Me Ultrasonic Sensor is an electronic module to measuring distance in the range of 3cm to 400cm. It can be used for the projects to help the handcart avoid obstacles or other relevant distance-measuring and obstacle avoidance projects. Its yellow ID means that it has a single-digital port and needs to be connected to the port with yellow ID on Makeblock Orion.


Technical Specifications

Operating voltage: 5V DC
● Measurement angle: 30 degree
● Measurement range: 3-400cm (with error less than 1cm)
● Ultrasonic frequency: 42 KHz
● Control mode: Single-digital port control
● Module size: 56 x 36 x 31 mm (L x W x H)


Functional Characteristics

Anti-reverse protection – connecting the power supply inversely will not damage IC
● White area of module is the reference area to contact metal beams
● Support mBlock GUI programming, and applicable to users of all ages
● Adopt RJ25 port for easy connection
● Provide pin-type of port to support most development boards including Arduino series


Pin Definition

The port of Me Ultrasonic Sensor has three pins, and their functions are as follows:

  • Pin 1 - GND (Grounding)
  • Pin 2 - 5V (Connect the power)
  • Pin 3 - SIG (Output the signal of distance)


Wiring Mode

  • Connecting with RJ25

Since the port of Me Ultrasonic Sensor has yellow ID, you need to connect to the port with yellow ID on Makeblock Orion when using RJ25 port. Taking Makeblock Orion as example, you can connect to ports No. 3, 4, 5, 6, 7, and 8 as follows:

  • Connecting with Dupont wire

When the Dupont wire is used to connect the module to the Arduino UNO Baseboard, its SIG pin should be connected to digital port as follows: