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Mayfly Data Logger Hardware

Features Overview

Diagram showing the features of the Mayfly Data Logger version 1.0

The Mayfly Data Logger board has many unique features and hardware options.  Learn more at the Features Overview page.

Details and Specifications

Photo of the Mayfly Data Logger version 1.0 with list of details and specifications.

A list of all the Details and Specifications of the latest board version (v1.1).

Jumper Settings

Photo of the back of the EnviroDIY Mayfly Data Logger version 1.0

The back of the Mayfly board contains many different solder jumpers to allow the user to configure the board with different options.  Learn more about the Jumper Settings.

Board Schematic

EnviroDIY Mayfly Data Logger schematic

The Mayfly Data Logger board schematics:

Mayfly vs. Arduino Uno

Table of features comparing the Arduino Uno and Mayfly Data Logger.

This table shows how the Mayfly compares to the Arduino Uno board.


The Arduino Uno and EnviroDIY Mayfly Data Logger side by side for size comparison.

The Mayfly board dimensions are 3.7″ x 2.6″ (94mm x 66mm), so it is just slightly larger than an Arduino Uno.


EnviroDIY Mayfly Data Logger with accessories.

Shields and adapter boards can be added to the Mayfly for connecting just about anything.  Learn more about these Accessories.


EnviroDIY Mayfly Data Logger with Grove cable connected.

A Grove cable with standard header pins makes it very easy to connect the Mayfly to other devices.

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