Example Code for micro:bit-Ultrasonic Distance Measurement
Last revision 2026/01/19
Use micro:bit and MakeCode to realize ultrasonic distance measurement with URM09 Ultrasonic Sensor(Gravity Trig).
Hardware Preparation
- micro:bit x 1
- URM09 Ultrasonic Sensor(Gravity Trig) x1
- Gravity 3Pin digital sensor cable x1
Software Preparation
Other Preparation Work
- Open MakeCode online editor. Website: https://makecode.microbit.org
- Load URM09_Trig Makecode Library.
Sample Code
- Program as below:
Result
- Compile and burn codes into your micro:bit.
- Check data on serial assistant.
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