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.

Community Activity
See all activity

Share Ideas

What are you working on? Share a project or showcase your gadget on the blog.

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

EnviroDIY is part of the WikiWatershed.org toolkit

Ask Questions

Have a question about DIY environmental monitoring? Get answers on the forum.

Sign up for a daily or weekly email digest of blog and forum activity.


  • Profile picture of Heather Brooks
    active 12 hours, 32 minutes ago
  • Profile picture of neilh
    active 13 hours, 21 minutes ago
  • Profile picture of Shannon Hicks
    active 15 hours, 56 minutes ago
  • Profile picture of Ole
    active 17 hours, 31 minutes ago
  • Profile picture of hank
    active 3 days, 9 hours ago
  • Profile picture of JBurrow
    active 3 days, 15 hours ago