shop/ adafruit/ adafruit feather 32u4 adalogger - atmega32u4

Adafruit Feather 32u4 Adalogger is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. A compact Feather-format ATmega32u4 board with built-in microSD storage and LiPo charging for portable logging projects.

Why choose this Adafruit board or module?

  • Built-in microSD slot for logging
  • Battery charging onboard
  • USB-capable ATmega32u4 platform

What you can build

Portable data loggers, Battery-powered field devices, Sensor recording projects.

Technical description

Adafruit Feather 32u4 Adalogger is designed for makers, engineers, and educators who need a genuine Adafruit part with dependable documentation, known compatibility, and easy access to official support material. It is a practical choice for prototyping, testing, and repeatable electronics builds.

Technical specifications

MCU ATmega32u4
Clock 8 MHz
Logic level 3.3V
Storage microSD card slot
Battery LiPo charging built in
USB Native USB via micro USB

Pinout & power notes

Ideal for portable sensor logging and battery-backed data collection.

What’s in the box

Board only.

Official resources

Manufacturer product page: https://www.adafruit.com/product/2795
Guide / tutorial: https://learn.adafruit.com/adafruit-feather-32u4-adalogger
Datasheet / downloads / documentation: https://cdn-shop.adafruit.com/product-files/2795/2795_pinout_v1_0.pdf

Q: What makes this different from a standard Feather 32u4?

A: This version includes a built-in microSD card holder for datalogging.

Need this for a student build, prototype, or production-ready electronics project? Circuitrocks helps makers, schools, and developers source genuine Adafruit products with access to official documentation and manufacturer references.

Compatibility & downloads

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Build with this board

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Notes from the bench

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Ask the community

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