Sonar:bit
Introduction
- Sonar:bit is a 3-wire ultrasonic module with the working voltage between 3-5V. It is available to be used to 3.3V or 5V micro-controller system. With only one 3-wire(GVS) cable, it can work properly. Compared to the normal 4-wire ultrasonic module, it has saved one IO port. The measurement range of sonar:bit is 4cm-400cm. It can output stable and accurate measurement data with ±1cm tolerance only.
- It can connect to the Ring:bit with an expansion board.

Characteristics
- Input voltage:3V~5V and can be driven by micro:bit directly.
- Standard 3-wire GVS connecotr, which occupies 1 IO port only.
Parameter
| Item | Parameter | Remark |
|---|---|---|
| Name | Ring:bit car v2 sonar:bit | - |
| SKU | EF04089 | - |
| Working Voltage | DC 3-5V | - |
| Connection | 3pin GVS connection | - |
| Output Signal | Simulation | - |
| Measuring Distance | 4-400cm | - |
| Dimmension | 40.60mm * 51.60mm | - |
| Net Weight | 12g | - |
Outlook

Quick to Start
Hardware Connection
- Connect the acrylic transition board to the back board with the rivets.

- Connect the Sonar:bit to the other side of the acrylic transition board with rivets.

- Connect the Sonar:bit to the Ring:bit breakout board with a 3-pin wire.

Software Programming
- Choose
sonar:bitin makecode. - Search
ringbitin the dialogue box and click it to download it. - Programme to measure the distance with ultrasonic in makecode on-line editor.

Links: https://makecode.microbit.org/_RVrYuDaT9acp
You can download it directly below:
Result
- The value measured by Sonar:bit is showing on the micro:bit.