BBC Micro:bit - Mini Computer

The Micro:Bit is a mini computer (microcontroller) based on a 32-bit ARM Cortex M0 microprocessor. With a size of 4.3 by 5.2 cm, it is a very compact mini computer and is easily programmable. Micro:Bit has a built-in 5x5 LED matrix with 25 red LEDs, an on-board motion detector/3-axis digital accelerometer, a built-in compass, two programmable buttons and numerous I/O pins. 

The Micro:Bit can be connected to the computer via a Micro USB cable. Note: No Micro USB cable is included with the Micro:Bit!

Specifications:

• Processor: 32-bit ARM Cortex M0 CPU at 16MHz, 256KB flash, 16KB sram
• USB 2.0 OTG controller
• Built-in 2.4GHz low-energy Bluetooth
• Input Voltage 3.3-5VDC 
• Built-in 3-axis accelerometer
• Built-in compass
• Micro USB connector, battery connector, 25-pin edge connector (can be powered by two AAA batteries)
• 25 LEDs display of 5 by 5 red LEDs
• 3 Tactile push buttons, two programmable and a reset button

See the images for the pin layout.

For more information see: Micro: Bit Start guide