Features Overview
![Diagram showing the features of the Mayfly Data Logger version 1.0](https://www.envirodiy.org/wp-content/uploads/FeaturesofMayfly-v1.0graphic2.jpg)
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.](https://www.envirodiy.org/wp-content/uploads/Mayfly1_board_features_list.jpg)
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](https://www.envirodiy.org/wp-content/uploads/mayfly1p0_back-1024x820.jpg)
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](https://www.envirodiy.org/wp-content/uploads/2016/05/v0p3p_schematic2-1024x664.jpg)
The Mayfly Data Logger board schematics:
Mayfly vs. Arduino Uno
![Table of features comparing the Arduino Uno and Mayfly Data Logger.](https://www.envirodiy.org/wp-content/uploads/2015/12/FeatureTable.png)
This table shows how the Mayfly compares to the Arduino Uno board.
Dimensions
![The Arduino Uno and EnviroDIY Mayfly Data Logger side by side for size comparison.](https://www.envirodiy.org/wp-content/uploads/2016/05/20160520_144729-1024x768.jpg)
The Mayfly board dimensions are 3.7″ x 2.6″ (94mm x 66mm), so it is just slightly larger than an Arduino Uno.
Accessories
![EnviroDIY Mayfly Data Logger with accessories.](https://www.envirodiy.org/wp-content/uploads/2016/05/20160526_190857-1024x768.jpg)
Shields and adapter boards can be added to the Mayfly for connecting just about anything. Learn more about these Accessories.
Connections
![EnviroDIY Mayfly Data Logger with Grove cable connected.](https://www.envirodiy.org/wp-content/uploads/2016/05/20160531_114320-1024x769.jpg)
A Grove cable with standard header pins makes it very easy to connect the Mayfly to other devices.