Mayfly Data Logger Hardware


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

Jumper Settings

The back of the Mayfly board contains 11 different solder jumpers to allow the user to configure the board with different options.  Learn more about the Jumper Settings.

Starter Kit

The Mayfly Starter Kit has everything needed to get started, like cables, an enclosure, and a memory card.

Board Schematic


The Mayfly Data Logger board schematics:
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.