Knowing what's in the air you breathe is important - and building an environmental monitor is a way to visualize the invisible properties of the air you inhale.

This guide covers building a small, internet-enabled environmental monitor which can track a range of data such from temperature to UV-level to the amount of total-volatile-organic-compounds present in the air.

Build it, place it in a location you'd like to log, and then monitor it from anywhere in the world using our Internet-of-Things platform - Adafruit IO.

This project can be done with either Arduino or CircuitPython, too!

Parts

We'll need a Feather HUZZAH and a handful of sensors to build our own environmental monitor.

Angled shot of rectangular microcontroller.
Feather is the new development board from Adafruit, and like its namesake, it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller...
$16.95
In Stock
Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
Bosch has stepped up their game with their new BME280 sensor, an environmental sensor with temperature, barometric pressure and humidity! This sensor is great for all sorts...
$14.95
In Stock
Angled shot of a Adafruit SGP30 Air Quality Sensor Breakout.
Breathe easy with the SGP30 Multi-Pixel Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor experts...
$17.50
In Stock
Adafruit VEML6070 UV Index Sensor Breakout
Discontinued - you can grab Adafruit LTR390 UV Light Sensor - STEMMA QT / Qwiic instead! This little...
Out of Stock
Prototyping feather wing PCB with loose headers
A Feather board without ambition is a Feather board without FeatherWings!This is the FeatherWing Proto - a prototyping add-on for all Feather boards. Using our...
$4.95
In Stock
Lithium Ion Polymer Battery 3.7v 1200mAh with JST 2-PH connector
Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
$9.95
In Stock

Monitor Enclosure

If you'd like to enclosure your environmental monitor, consider picking up the following parts:

Small Plastic Project Enclosure - Weatherproof with Clear Top
Store your project safe and sound in this nice weatherproof box with a clear top. We picked up this box because we like the machinable ABS plastic body and tough clear polycarbonate...
$9.95
In Stock
1 x Cable Gland
Cable Gland PG-7 size - 0.118" to 0.169" Cable Diameter
4 x Stranded-Core Wire
Silicone Cover Stranded-Core Wire - 2m 26AWG

This guide was first published on Aug 16, 2018. It was last updated on Aug 16, 2018.

This page (Overview) was last updated on Aug 08, 2022.

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