Example Code for micro:bit-Makecode Tomato Timer
Last revision 2026/05/29
This article guides through creating a 25-minute tomato timer using micro:bit and MakeCode, featuring hardware setup, software extensions, wiring, and sample code with RGB LED ring and buzzer integration.
Hardware Preparation
- micro:bit * 1
- IO Expansion Board * 1
- RGB LED Ring- 24 LED beads * 1
Software Preparation
Click the extensions in MakeCode and add the neopixel library into the extensions.
Wiring Diagram
Sample Code
Result
Use the RGB LED ring to implement a 25-minute tomato timer with a buzzer that stops when button A is pressed.
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