Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. New? Start here

Check out the EnviroDIY Mayfly Data Logger, a powerful user-programmable microprocessor board that is fully compatible with Arduino IDE software.

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For sketches and documentation, visit our GitHub repository.

All content on EnviroDIY is licensed as Creative Commons Attribution-ShareAlike 4.0. Hardware designs on EnviroDIY are released under the CERN Open Hardware License 1.1. Alternative licenses are available. Learn more

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