> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt # Pimoroni MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3) **Type:** Product page · **SKU:** PIM569 · **Brand:** [Pimoroni](https://core-electronics.com.au/brands/pimoroni-australia) · **GTIN:** 769894017838 **Page:** https://core-electronics.com.au/pimoroni-mics6814-3-in-1-gas-sensor-breakout-co-no2-nh3.html ([markdown](https://core-electronics.com.au/pimoroni-mics6814-3-in-1-gas-sensor-breakout-co-no2-nh3.html.md)) Measure changes in the concentration of gases including carbon monoxide (CO), nitrogen dioxide (NO2), and ammonia (NH3) with this Breakout Garden compatible I2C breakout. ## Pricing - **Price:** $56.40 (inc GST) — $51.27 AUD, exc GST - **Quantity discounts:** 6+ $49.22 (exc GST) · 12+ $47.68 (exc GST) ## Availability & dispatch - In stock, ships same business day if ordered before 2PM (Australia/Sydney). - We can dispatch 1 today; more stock is typically available with a 7–12 day lead time. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=PIM569:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart. - **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/PIM569:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.) - **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there. - **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works) - **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt ## Description Measure changes in the concentration of gases including carbon monoxide (CO), nitrogen dioxide (NO2), and ammonia (NH3) with this Breakout Garden compatible I2C breakout. The MICS6814 sensor comprises three semiconductor gas sensors in a single package, and can detect three different groups of gases that are referred to in the datasheet as reducing, oxidising, and NH3. The major gases/vapours that the sensor detects are: carbon monoxide (reducing), nitrogen dioxide (oxidising), and ammonia (NH3), but it is also sensitive to others, including hydrogen, ethanol, and hydrocarbons. It can be used to make qualitative measurements of changes in gas concentrations, so you can tell broadly if the three groups of gases are increasing or decreasing in abundance. Without laboratory conditions or calibration, you won't be able to say "the concentration of carbon monoxide is n parts per million", for example. There's more info about the MICS6814 sensor and how it works in Pimoroni's [Getting Started with Enviro+ tutorial](https://learn.pimoroni.com/tutorial/sandyj/getting-started-with-enviro-plus). This breakout uses a Nuvoton microcontroller which handles the I2C and analog-digital conversion, as well as controlling the sensor's inbuilt heater and the user controllable RGB LED. The LED could be used to indicate when the sensor is running or to notify you visually of gas concentration changes. It's Breakout Garden compatible, which means you can use it with any of our Breakout Garden [HATs](https://core-electronics.com.au/breakout-garden-hat.html) and [pHATs](https://core-electronics.com.au/pimoroni-breakout-garden-phat.html) - no soldering required! It's useful for incorporating into indoor and outdoor air quality monitoring systems, especially if you're interested in monitoring agricultural and vehicle pollution levels. **Features** - MICS6814 analog gas sensor ([datasheet](https://core-electronics.com.au/attachments/localcontent/1143_Datasheet-MiCS-6814-rev-8_38172b562ba.pdf) and [FAQ](https://core-electronics.com.au/attachments/localcontent/AN2-%C3%A2%E2%82%AC%E2%80%9C-Frequently-Asked-Questions-for-MiCS-Gas-Sensors_15045cce4b3.pdf)) - Nuvoton MS51XB9AE MCU - RGB LED - 2x M2.5 mounting holes - I2C interface, with a default address of 0x19. - 3V to 5V compatible - Reverse polarity protection - Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9) - Compatible with all models of Raspberry Pi. - [Python library](https://github.com/pimoroni/mics6814-python) **Kit includes** - MICS6814 Gas Sensor Breakout - 1x5 straight male header - 1x5 right angle female header Pimoroni has designed this breakout board so that you can solder on the piece of right-angle female header and pop it straight onto the bottom left 5 pins on your Raspberry Pi's GPIO header (pins 1, 3, 5, 7, 9). **Software** Pimoroni has put together a [Python library](https://github.com/pimoroni/mics6814-python) together with examples showing you how to get readings from the sensor and control the LED. **Notes** - Dimensions: approx 23 x 20 x 4mm (L x W x H) ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/m/i/mics6814breakout_1of3_large.jpg)