Adafruit
Adafruit MagTag Starter Kit - ADABOX017 Essentials
The Adafruit MagTag Starter Kit bundles everything you need to get started with the MagTag WiFi E-Ink display. The ESP32-S2-powered board features a 2.9" gra...
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The Adafruit MagTag Starter Kit bundles everything you need to get started with the MagTag WiFi E-Ink display. The ESP32-S2-powered board features a 2.9" grayscale E-Ink screen that retains its image even when power is removed — perfect for low-power IoT dashboards, status boards, and information displays.
This kit includes a rechargeable LiPo battery for portable use (the MagTag draws just 250 µA in deep sleep for weeks of battery life), an acrylic mounting kit, and four magnetic feet so you can attach it to any metallic surface. Compatible with both Arduino and CircuitPython.
Key Features
- ESP32-S2 with WiFi – 240 MHz processor with native USB, 4 MB flash, and 2 MB PSRAM
- 2.9" Grayscale E-Ink Display – 296×128 pixels, 4 shades, ~1 second refresh; retains image without power
- Low Power Design – 250 µA deep sleep for weeks of battery operation
- Magnetic Mounting – Four magnet feet included for fridge, shelf, or workbench mounting
- Built-in Battery Charging – USB-C recharging with included 420 mAh LiPo battery
- Onboard Sensors & I/O – Four NeoPixels, four buttons, accelerometer, light sensor, speaker, STEMMA QT port
Ideal For
- IoT dashboards and WiFi-connected information displays
- Fridge-mounted shopping lists, calendars, and message boards
- Battery-powered sensor readout displays
- Workshops, hackerspaces, and gifts for makers
Package Contents
- 1× Adafruit MagTag (2.9" Grayscale E-Ink WiFi Display)
- 1× Acrylic + Hardware Kit for MagTag
- 1× Lithium-Ion Polymer Battery (3.7 V, 420 mAh)
- 1× Mini Magnet Feet (pack of 4)
Jargon buster
Plain-language definitions for the technical terms used above.
- CircuitPython
- A beginner-friendly version of Python designed to run directly on microcontroller boards. If a product supports CircuitPython, you can often program it by copying code files onto the board rather than setting up a more complex toolchain.
- deep sleep
- Deep sleep is a low-power mode where the microcontroller turns off most functions while keeping just enough circuitry active to wake up later. It is important for battery-powered projects because it can greatly extend how long the device runs between charges.
- ESP32
- ESP32 is a family of low-cost microcontroller chips and modules from Espressif with built-in WiFi and Bluetooth. They support programmable firmware and over-the-air updates, and are commonly programmed with toolchains such as the Arduino core and ESP-IDF.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- LiPo
- A LiPo (lithium polymer) battery is a rechargeable lithium battery widely used in portable projects because it is light and compact. LiPo cells need correct charging circuitry and careful handling to stay safe, so equipment that supports LiPo generally includes charging or protection hardware suited to that battery type.
- native USB
- Native USB means the microcontroller itself handles USB communication, rather than using a separate USB-to-serial chip. This matters for programming, debugging, and projects that need the board to act directly as a USB device.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
- USB-C
- USB-C is a small, reversible USB connector that can carry power, data and, on some devices, video over a single cable. The same connector can range from charging only to high-speed data, so the functions a given port actually supports vary.
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Displays & Screens
Microcontrollers
Related Tutorials
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