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Small rectangular board with 5x5 red LED grid, two buttons, edge connector and micro-USB port

micro:bit

micro:bit 83-17934 development board

SKU CH-C76B-BJ807 MPN 83-17934

Pocket-sized development board with a 32-bit ARM Cortex M0 CPU, 25 red LEDs, two programmable buttons, motion detector, compass, Bluetooth, five I/O rings and a 20-pin edge connector

  • ProcessorARM Cortex
  • ProcessorARM Cortex M0 32-Bit CPU
  • Width and length1.97 in × 1.57 in
  • Key featuresMicroprocessor: 32-bit ARM Cortex M0 CPU A 5 × 5 LED matrix
  • In the box1x BBC micro:bit and a Quick Start Guide
  • 32-bit ARM Cortex M0 CPU powers projects
  • 25 red LEDs display patterns and text
  • 3-axis accelerometer detects shake and tilt
  • Built-in compass senses direction and metals
  • 20-pin edge connector links to Raspberry Pi and Arduino

BBC micro:bit development board

The BBC micro:bit is a pocket-sized development board built around a 32-bit ARM Cortex M0 CPU. It includes a 5x5 LED matrix with 25 red LEDs, two programmable buttons, a 3-axis accelerometer, a 3D magnetometer and Bluetooth Smart connectivity. A 20-pin edge connector and five ring I/O pads provide expansion for sensors, motors or other boards. The board measures 1.97" x 1.57" and ships with a Quick Start Guide.

Who this suits

This board suits educators, students and hobbyists who want a ready-to-code platform for learning programming, electronics and IoT concepts. It works well for classroom projects, wearable prototypes and simple robotics. Builders who need more I/O pins, higher processing performance or built-in Wi-Fi should look at something else.

ARM Cortex M0 32-bit CPU

The 32-bit ARM Cortex M0 processor determines the board's performance envelope and the complexity of code it can run efficiently. It handles the LED matrix, motion sensing, compass readings and Bluetooth communication within its available cycles. If your project demands faster floating-point math or multi-threaded tasks, a different processor architecture will be required.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 95% of the 1,420 comparable items (median $44.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameBBC
Model nameMicro:Bit
Processor
ProcessorARM Cortex M0 32-Bit CPU
Size & build
Width and length1.97 in × 1.57 in
Shipping weight0.03 kg
Package size81 × 79 × 28 mm
In the box
In the box1x BBC micro:bit and a Quick Start Guide

Questions about this item

How many LEDs are in the 5x5 matrix that runs animations all day?

The 5x5 matrix contains 25 red LEDs that display animated patterns, scrolling text and alphanumeric characters

Does the on-board 3-axis accelerometer or 3D magnetometer generate noticeable heat during continuous operation?

The motion detector and compass are low-power sensors; the ARM Cortex M0 CPU runs cool and the board has no fan or heatsink

What USB cable is required to power and program the micro:bit from a computer?

A Micro-USB cable connects the board to a host for power and programming; the package includes the board and a Quick Start Guide only

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