Cytron BBC micro:bit Mainboard V2

CytronSKU: RB-Cyt-311
Manufacturer #: MICROBIT-V2

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  • Cytron BBC micro:bit Mainboard V2
  • Offers a tiny microcontroller board
  • Comes with a MEMS microphone input hole
  • Onboard accelerometer, compass, light, and temperature sensors
  • Reset Button with Status LED
  • Dedicated I2C bus for peripherals

The Cytron BBC micro:bit Mainboard V2 comes with a MEMS microphone input hole and a mic indicator LED. If the sound input is enabled in the program or your code, the mic indicator will be illuminated.

And not to forget the micro:bit logo, it is now a capacitive touch sensor. If you look carefully, it is now gold-plated PCB instead of the color mask on the previous version board. So it can be used to detect touch.

micro:bit is a tiny microcontroller board with a powerful ecosystem, and it is being built by the BBC. This BBC micro:bit is a pocket-sized computer that lets you get creative with digital technology. You can code, customize, and control your micro:bit from anywhere! You can use your micro:bit for all sorts of unique creations, from robots to musical instruments and more.

  • 1x Cytron BBC micro:bit Mainboard V2


  • 5 x 4 cm (W x H)

  • Processor: 32-bit ARM Cortex-M4 CPU
  • Main microcontroller: Nordic Semiconductor nRF52833
  • Clock Speed: 64 MHz
  • Memory size: 512 KB Flash
  • RAM size: 128 KB RAM
  • USB Interface: NXP KL27Z with 32KB RAM
  • 5x5 LED Matrix Display (Red LEDs)
  • Two Programmable Buttons
  • Touch Sensitive micro:bit logo
  • Additional Power Indicator LED and Mic input indicator LED
  • Built-in MEMS microphone input
  • Onboard Accelerometer, Compass, Light and Temperature Sensors
  • Wireless Communication, via Bluetooth 5.1 and BLE and 2.4GHz Radio
  • 20-pin Edge Connectors, 5 notched edge Connectors
  • Dedicated I2C bus for peripherals
  • Power Button to power off the MCU
  • Micro USB Type-B Connector
  • JST-PH Battery Connector (Not JST-XH)
  • Reset Button with Status LED
  • Available current for external devices: 200 mA
  • Programming Platform: C++, Makecode, Python, Scratch

Edge Connectors

  • Total 25 pins: 20 smaller pitch to pitch pins, 5 RINGS Notched Edge pins
  • 4 Dedicated GPIO, PWM, I2C, SPI, Power and etc.
  • 5 Ring pins for connecting crocodile clips or banana plugs

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