Example Code for micro:bit-Car Reversing Radar
This article guides you through the setup and programming of a micro:bit-based car reversing radar using ultrasonic sensors with detailed hardware and software preparation, wiring diagrams, and sample code for effective obstacle detection during parking.
Hardware Preparation
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 |
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|---|---|---|
| BOS0045 Ultrasonic Distance Sensor | BOS0022 Voice Recorder Module | BOS0035 Mainboard-3IO |
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|
| MBT0039 micro:bit | BOS0040 micro:bit BOSON Expansion Board |
Tip: micro:bit and its expansion board will be used in programming projects.
Software Preparation
Makecode or Mind+
Wiring Diagram
Non-programming Project
Connection Diagram:
Programming Project
Connection Diagram:
Other Preparation Work
micro:bit and its expansion board will be used in programming projects.
Result
When reversing a car, the speaker will broadcast "please pay attention to the obstacle behind" if the ultrasonic distance sensor detects an obstacle.
Additional Information
Program Flowchart:
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