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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. New to EnviroDIY? Start here
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Shannon Hicks replied to the topic Could not wake modem for clock sync in the forum Mayfly Data Logger 1 month, 2 weeks ago
That sounds like there’s probably an error in your code that is causing one or more missing functions calls to give an error when compiling. Have you tried compiling the example sketch exactly as it’s written on that github page I linked above, with no edits at all? If you’re successful in compiling that example, then compare your edited s…[Read more]
cameron light became a registered member 1 month, 2 weeks ago
cameron light
@cameronlight
Tom Clark replied to the topic Could not wake modem for clock sync in the forum Mayfly Data Logger 1 month, 2 weeks ago
Thank you! After switching to the correct sketch I am getting an error saying “logger clock has not been declared”
Darcy Brewer became a registered member 1 month, 3 weeks ago
Darcy Brewer
@dbrewer4242
Shannon Hicks replied to the topic Mayfly data logger -9999 in the forum Mayfly Data Logger 1 month, 3 weeks ago
Section 6 of the EnviroDIY Monitoring Station Manual has instructions and photos related to building the station you have. Section 6.3 in particular discusses the Hydros 21 CTD sensor that you’re having trouble with. I’m attaching a screenshot of that section of the manual. You can see in the photos how the sensor cable has a 3.5mm stereo he…[Read more]
Sara Damiano replied to the topic Mayfly data logger -9999 in the forum Mayfly Data Logger 1 month, 3 weeks ago
How is the sensor connected? To disconnect a grove plug, squeeze the lock at the top of the white connector and pull it off. This is the headphone (stereo) jack: https://www.envirodiy.org/product/envirodiy-grove-to-3-5mm-stereo-jack-pack-of-2/. The stereo/headphone connector is just like the one on wired headphones.
DG started the topic Mayfly data logger -9999 in the forum Mayfly Data Logger 1 month, 3 weeks ago
CDT sensor reading on Mayfly monitor reads -9999. Unable to find any issues with sensor, wires. Can’t figure out how to disconnect Grove cable in order to disconnect and reconnect, as per instructional video. Don’t know what a “headphone jack” looks like!
HELP!
zackmeuth became a registered member 2 months ago
zackmeuth
@zackmeuth
Scott Ensign wrote a new post 2 months, 1 week ago
EPA Publishes EnviroDIY-Based Monitoring Results
The U.S. Environmental Protection Agency has come full circle with EnviroDIY and the Mayfly Data Logger. A team of EPA scientists developed a roof […]
neilh20 commented on the post, Monitor My Watershed: New Release! 2 months, 2 weeks ago
Thanks for the update and the details. There’s so much work goes into the infrastructure for a remote automated monitoring device—the software releases being part of it. Thanks so much for detailing it. One o […]