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Kitronik ZIP Halo HD for the BBC micro:bit

$42.89 inc GST
$50.51 inc GST

The Kitronik Halo HD board for the BBC microbit incorporates 60 individually addressable full colour ZIP LEDs.

Brand: Kitronik SKU: 57206297N/AAvailability : In StockOut of stockOut of stock

Frequently Bought Together

Total price:$78.01 inc GST $70.39 inc GST
This product does not Include a BBC micro:bit. The BBC micro:bit can be purchased separately here.

Works with BBC micro:bit V1 & V2

The Kitronik Halo HD board for the BBC microbit incorporates 60 individually addressable full colour ZIP LEDs. It also breaks out P1 and P2 to a standard 0.1 footprint, it features a MEMS microphone for detection of sound, and a piezo buzzer to play sound. If that weren't enough, it also features an onboard real time clock (RTC) controlled by I2C lines from the microbit. The board also has two M3 mounting holes. We think you'll agree, the board is loaded with useful features. It doesn't stop there...

Plug n Play

No tools required, not even a screwdriver, plug the micro:bit, available separately, straight into the onboard edge connector and you are good to go!

Onboard Power

The board has a 3x AA battery holder mounted on the rear, with a power switch on the front of the board. A regulated supply is produced on the board which is fed into the 3V and GND connections to power the connected BBC micro:bit, removing the need to power the BBC micro:bit separately. See the Datasheet for more information.

MakeCode Blocks

Kitronik have created custom blocks for the Halo HD for use with MakeCode. To add these blocks, first go to and start a new project. Under the Advanced section click on Extensions. In the next window search for Halo HD. Then, click on the tile to import it into MakeCode. You will see that the blocks are split across three categories; ZIP LEDs, Microphone and Clock. You can find more information on the MakeCode editor and also on how to write code for it with MicroPython in the Datasheet.


To get you off to a flying start we have produced a number of code examples that cover all of the onboard features and that will also serve to inspire your own projects. You will find links to these examples in the resources section below.

Kitronik ZIP Halo HD Features

  • The board features 60 individually addressable full colour ZIP LEDs.
  • It breaks out P1 and P2 to a standard 0.1 footprint.
  • It's wired for sound with a MEMS microphone and a piezo buzzer.
  • It has an onboard Real time clock (RTC) controlled by I2C lines.
  • Plug n play with the onboard edge connector, no tools required!.
  • The board has a 3xAA battery holder mounted on the rear.
  • The On/off switch helps you maximise battery life.
  • It can be coded with MakeCode blocks via our custom blocks or with MicroPython.
  • 2x M3 Mounting holes, for secure projects.
Kitronik ZIP Halo HD Features
Kitronik ZIP Halo HD Components

Kitronik ZIP Halo HD Includes

  • 1x ZIP Halo HD Board for micro:bit.

Electrical characteristics

  • Operating Voltage (Vcc): 3.5V 5V
  • Number of ZIP LEDs: 60
  • Number of external channels: 3 (1x ZIP LED, 2x IO pin, each IO channel rated +3V at 50mA)
  • Max Current (ZIP LED running full RGB brightness): 0.9A (15mA per ZIP)
  • MEMS Microphone Sensitivity: Typ: -42 dBV/Pa
  • MEMS Microphone Signal to Noise Ratio: 59dB

BBC micro:bit Pin Connection Information

  • MEMS Microphone: P0 (analogue input)
  • P1 Breakout pin header: 1 P1, 2 - +V (Battery Voltage), 3 - GND
  • P2 Breakout pin header: 1 - P2, 2 - +V (Battery Voltage), 3 - GND
  • ZIP LED: P8
  • Buzzer: P14
  • RTC: P19 & P20 (using the I2C lines)


  • Diameter: 87mm
  • M3 Mounting Holes Spacing (Center to Center): 68.4mm


Find your BBC micro:bit Project Kit & Accessories here!

You can do a lot with a BBC microbit but you can do so much more when you combine it with a microbit project kit and accessories. We've carefully selected project kits and accessories from world leading manufactures including 4tronix, DF Robot, ElecfreaksKitronikMonk Makes , Seeed and Sparkfun to create a one stop shop for you.

To help you find the perfect microbit project for your students or the vital missing component to finish your microbit project we've sorted our extensive range of BBC micro:bit projects and accessories into sub-categories. Click on a sub-category and then use the filters to narrow your search even more. 

Can't find what you're looking for? Chat With Us online, send us an email call us on 1800 634 050 our expert staff are standing by to help you.

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