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Mayfly Data Logger Hardware

Features Overview

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

Details and Specifications

A list of all the Details and Specifications of the latest board version (v1.0).

Jumper Settings

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


The Mayfly Data Logger board schematics:

Version 1.0 rev A3: png or pdf
Version 0.5b
Version 0.5
Version 0.4
Version 0.3

Mayfly vs. Arduino Uno

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



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


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


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

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