CO2 Sensor for micro:bit [Discontinued]

Monk MakesSKU: MNK00072
Sale price £115.70
incl. VAT
excl. VAT

Compatible with:

Awesome Extras

BBC micro:bitmicro:bit V2.2
Sale price £16.10 incl. VAT excl. VAT
BBC micro:bitmicro:bit V2 GO - Starter Kit
Sale price £17.60 incl. VAT excl. VAT
The Pi HutSmall Alligator Clip Test Lead (set of 12)
Sale price £3.40 incl. VAT excl. VAT

This board, designed for use with the Lets Talk Science Living Space Project, provides a CO2, temperature and Relative Humidity measurements to a BBC micro:bit (not included). We include a 9V battery clip adapter with the CO2 sensor (battery not included).

Visit the Lets Talk Science Living Space Project for more information and all sorts of useful resources and lesson plans.

Important! When powered by batteries, the CO2 sensor will provide power back to the micro:bit. Make sure you have the power leads connected correctly between the CO2 sensor board and the micro:bit or your micro:bit could be damaged!

Note: Micro:bit and crocodile clips not included


  • COZIR Ambient Sensor
  • Powers micro:bit using 3.3V regulator
  • LED power indicator
  • CO2
  • Relative Humidity
  • Temperature
  • Serial interface




This board uses the COZIR Ambient sensor for more information on this module see:

  • CO2 concentration range: 0-2000 ppm
  • CO2 Accuracy: +- 50 ppm
  • Temperature: -25 - +55 C
  • Relative humidity: 0-95 %

Absolute Maximum ratings

  • Maximum supply voltage: 12 V

Electrical Characteristic

  • Maximum current consumption: 40 mA
  • Supply voltage: 5-9 V
  • Serial interface baud rate: 9600 baud

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