tech.microbit.org serves as our developer portal, providing all the technical information needed to understand how the micro:bit works, what it can do, and even instructions for creating your own micro:bit variant.

Here is a brief overview of the types of information you can find over on our tech site:
| Software | Firmware | Hardware | Accessories |
|---|---|---|---|
| Software Overview | DAPLink USB Interface | Hardware overview | Accessories |
| Bluetooth | Hex file format | Edge Connector | Making accessories for the micro:bit |
| DAL/CODAL runtime | micro:bit I2C Protocol | I2C | Power supply |
| MakeCode | Power Management Specification | micro:bit reference design | |
| MicroPython | Universal Hex Creator | micro:bit schematic | |
| Python editors | Universal Hex Specification | ||
| Other languages | |||
| Bitio |
In the Community area of the site, you can subscribe to the Developer and ecosystem newsletter.
This newsletter is a low-volume digest on the technical aspects of the micro:bit. It is in addition to our regular Micro:bit Educational Foundation newsletter aimed at all educationalists and the wider micro:bit community. The details you provide are processed in accordance with The Foundation’s privacy policy.