Breakout Board for micro:bit IO Expansion Board

Introduction¶

Microbit expansion board is an IO port expansion board that supports micro:bit. It can draw out all resources on the micro:bit and also has its own buzzer. Not only can it be connected to the P0 pin through a jumper cap, but it can also be released through the jumper cap. The small and unique size is very suitable for various small projects of micro:bit.

Model: DTS02018B

Breakout board for microbit.png

Features¶

All IO ports are led out
Comes with buzzer
With LEGO compatible latch holes
3PN interface distinguished by yellow, red and black

Usage¶

For use with micro:bit, the connection is as shown below:

Micto-bit Connection.png

Then log in to the makecode website https://makecode.microbit.org/ and click on New Project.

New project.png

Example 1 digital output¶

1. Connect the positive and negative poles of the power supply and the IO port

Connection IO.png

2. Write a light program.

Light program.png

3. Running result

Result 1.png Result 2.png

Example 2 I2C mode¶

1. Add the i2c program module to makecode. Here we take oled as an example. Click "Extensions", enter OLED in the search box, and select the "oled-ssd1306" module.

2. Connection module I2C interface

3. Write a program to display "Micro:bit"

4. Run and check the display effect

Display effect.png