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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 1.2. Alternative licenses are available. Learn about licenses and attribution
Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water. Our EnviroDIY Mayfly Data Logger is user programmable and Arduino IDE compatible.
Get sketches, libraries, and documentation to help you program your Mayfly.
Share your data and access data from around the world on Monitor My Watershed®.
Have a question about DIY environmental monitoring? Share it with EnviroDIY members.
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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 1.2. Alternative licenses are available. Learn about licenses and attribution
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Community Activity See all activity
lanapham started the topic Hưng Yên Đẩy Mạnh Xử Lý Nước Thải 2026 in the forum Mayfly Data Logger 5 hours, 38 minutes ago
<span dir=”auto” style=”vertical-align: inherit;”><span dir=”auto” style=”vertical-align: inherit;”><span dir=”auto” style=”vertical-align: inherit;”>Hưng Yên là một trong những tỉnh có tốc độ phát triển công nghiệp và đô thị hóa nhanh tại khu vực đồng bằng sông Hồng. Với sự phát triển mạnh mẽ của các khu công nghiệp, cụm công nghiệp, làng ng…[Read more]
lanapham started the topic Hưng Yên Đẩy Mạnh Xử Lý Nước Thải in the forum Mayfly Data Logger 5 hours, 38 minutes ago
<span dir=”auto” style=”vertical-align: inherit;”>Hưng Yên là một trong những tỉnh có tốc độ phát triển công nghiệp và đô thị hóa nhanh tại khu vực đồng bằng sông Hồng. Với sự phát triển mạnh mẽ của các khu công nghiệp, cụm công nghiệp, làng nghề và khu dân cư tập trung, lượng nước thải phát sinh mỗi ngày càng gia tăng, tạo áp lực lớn lên môi trườ…[Read more]
lanapham became a registered member 5 hours, 46 minutes ago
lanapham
@lanapham
Regina Fletcher replied to the topic New Sensor Supplier for Floodzilla Flood Monitoring Network in the forum Environmental Sensors 13 hours, 42 minutes ago
Thanks Connor! I looked up the Flowline, looks like bluetooth transmission? Love having options I can suggest to people, since people want to be replicate our program in some nearby watersheds. I like being able to give a range of options for their budget.
What is the monitoring project you’re using the Vega sensors for? Just wondering if it is…[Read more]
Krishna became a registered member 3 days, 12 hours ago
Krishna
@kkffz
Shannon Hicks wrote a new post 4 days, 10 hours ago
Autumn Update: Field Maintenance, Mayfly Restocking, and Website Improvements
Preparing Our Monitoring Stations for Winter Autumn is an important time of year for maintenance visits to environmental monitoring stations. With […]
_connorlayton replied to the topic New Sensor Supplier for Floodzilla Flood Monitoring Network in the forum Environmental Sensors 4 days, 13 hours ago
I’ve had a dozen or so Vega sensors in the field for about a year now. The quality is good, and the setup is super easy, but they’re getting pricey. I’ve seen some colleagues run the flowline sensors since they’re a bit cheaper, and they seem to be performing just as well: Flowline
I don’t really think you can go wrong either way.
_connorlayton became a registered member 4 days, 14 hours ago
_connorlayton
@_connorlayton
Sara Damiano replied to the topic logger stops uploading to Monitor My Watershed at a set duration in the forum Mayfly Data Logger 3 weeks, 1 day ago
If you want the updated library, start from the examples for the updated library. It shouldn’t be too hard to update if you’ve mostly stuck to the example. A side-by-side difference viewer would help to check what you need to change. That being said, if everything was working well for you using the old version of the library, you don’t ne…[Read more]
nick replied to the topic logger stops uploading to Monitor My Watershed at a set duration in the forum Mayfly Data Logger 3 weeks, 3 days ago
Reverting back to the v0.33.2 library has fixed the issue. Is there something I can edit on my current script to work with the newer library or should I redo it using the DRWI_Mayfly1.ino example script that Sara recommended here: Library issues – EnviroDIY