So you may have heard of the Adafruit MagTag and you want to get started with building a project using CircuitPython. As the name implies, the MagTag was designed to be a low-powered "tag" that you could attach to your refrigerator with magnetic feet. The MagTag library makes it really easy to get started with creating a new project, using this board, but it also supports a variety of other hardware pieces to make creating projects to display on the ePaper display very easy.

This library is built on top of the PortalBase library, which in turn is built on top of displayio which is included as part of CircuitPython. It also makes use of the ESP32-S2 wifi module, along with some lower-level dependencies, to communicate with server over the internet.

One of the latest features of CircuitPython, which is made easy with this library, is the ability to put the MagTag into deep sleep, which is a very low power mode. We will go over that plus more in this guide.

Parts

MagTag dev board with enclosure pieces, four magnet feet, and lipoly battery
The Adafruit MagTag combines the new ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen...
Out of Stock
Angled shot of Adafruit MagTag development board with ESP32-S2 and E-Ink display.
The Adafruit MagTag combines the new ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power...
$34.95
In Stock
Angled shot of four magnet feet.
Got a glorious RGB Matrix project you want to mount and display in your workspace or home? If you have one of the matrix panels listed below, you'll need a pack of these...
$2.50
In Stock
Lithium Ion Polymer Battery 3.7v 420mAh with JST 2-PH connector and short cable
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...
Out of Stock
Depending on which cables you already have on hand, you may also need one of the following items for coding and powering the MagTag.
Angled shot of Micro B USB to USB C Adapter.
As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a Micro B USB jack and a USB C...
$1.25
In Stock
USB Type A to Type C Cable - approx 1 meter / 3 ft long
As technology changes and adapts, so does Adafruit. This  USB Type A to Type C cable will help you with the transition to USB C, even if you're still...
$4.95
In Stock

This guide was first published on Dec 15, 2020. It was last updated on Dec 15, 2020.

This page (Overview) was last updated on Jun 22, 2022.

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