The quality of the air we breathe can be very important, particularly right now with recent wildfires on the west coast of the US.

This project shows how to display the Air Quality Index (AQI) of a based on the Purple Air real-time monitoring community's outdoor sensors sensor right on your own LED Matrix display.

Your readings will be updated automatically over WiFi, and you can plug in the sensor ID of any Purple Air sensor in the world!

We'll show you how to build this project with either the Matrix Portal or a Metro M4 Express AirLift with RGB Matrix shield.

Parts

Adafruit Metro M4 Express AirLift (WiFi) - Lite

PRODUCT ID: 4000
Give your next project a lift with AirLift - our witty name for the ESP32 co-processor that graces this Metro M4. You already know about the Adafruit Metro...

Adafruit RGB Matrix Shield for Arduino

PRODUCT ID: 2601
Our RGB matricies are dazzling, with their hundreds or even thousands of individual RGB LEDs. Compared to NeoPixels, they've got great density, power usage and the...

or

Adafruit Matrix Portal - CircuitPython Powered Internet Display

PRODUCT ID: 4745
Folks love our wide selection of RGB matrices and accessories, for making custom colorful LED displays... and our RGB Matrix Shields...

Micro B USB to USB C Adapter

PRODUCT ID: 4299
As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a Micro B USB jack and a USB C...

and

64x32 RGB LED Matrix - 4mm pitch

PRODUCT ID: 2278
Bring a little bit of Times Square into your home with this sweet 64 x 32 square RGB LED matrix panel. These panels are normally used to make video walls, here in New York we see them...

Black LED Diffusion Acrylic Panel 12" x 12" - 0.1" / 2.6mm thick

PRODUCT ID: 4594
A nice whoppin' slab of some lovely black acrylic to add some extra diffusion to your LED Matrix project. This material is 2.6mm (0.1") thick and is made of special cast...

5V 2.5A Switching Power Supply with 20AWG MicroUSB Cable

PRODUCT ID: 1995
Our all-in-one 5V 2.5 Amp + MicroUSB cable power adapter is the perfect choice for powering single-board computers like Raspberry Pi, BeagleBone or anything else that's power...

USB cable - USB A to Micro-B

PRODUCT ID: 592
This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or...
This guide was first published on Sep 30, 2020. It was last updated on Sep 30, 2020.
This page (Overview) was last updated on Oct 12, 2020.