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Matt Barney started the topic Curious sensor failures and cyclical measurements in the forum Mayfly Data Logger 1 years, 5 months ago
Curious sensor failures and cyclical measurements
We have a station with HYDROS-21 and Turner Turbidity+ sensors. Beginning on 12/30/22 the HYDROS appears to have quit communicating, reporting only values of -9999 for all its variables. Near the same time, the Turner began reporting values with a daily cyclical pattern: higher in midday, and…[Read more]
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neilh20 replied to the topic Systems not recognized from 12th( v0.15.0?) in the forum Monitor My Watershed 1 years, 5 months ago
Well, I’m back at my desk, with a Mayfly and powered it up, and I’m posting to
Host: monitormywatershed.org
and getting
— Response Code — 301 waited 326 mS Timeout 8000
If I change it to
Host: data.envirodiy.org
— Response Code — 201 waited 577 mS Timeout 8000
From https://github.com/ODM2/ODM2DataSharingPortal/issues/542
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Jim Moore replied to the topic Erratic EC response of Hydros 21 sensors in the forum Monitor My Watershed 1 years, 5 months ago
Thanks for the input, Dan@wachusett. I think I figured out my problem – it was the bubbles in the stream as you can see in the attached photo when I was co-locating two sensors! I moved the sensor probe about a foot to calmer waters and now the results look normal.
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dan@wachusett replied to the topic Erratic EC response of Hydros 21 sensors in the forum Monitor My Watershed 1 years, 5 months ago
Jim,
I have seen similar fluctuations in some of the streams where I have Hydros21 sensors. Typically, step changes > 100 µS in 5 or 15 minutes only occur during runoff/snowmelt events. In the winter, after a snow event with road salt application and subsequent melt I have seen > 2,000 µS fluctuations in 15 minutes as the salt pulses work their w…[Read more]
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dan@wachusett started the topic Modbus communications on Keller CTD Sensor in the forum Environmental Sensors 1 years, 5 months ago
Hello,
I am looking for some help troubleshooting modbus communications on a Keller CTD sensor. I am running the very basic KellerTest sketch on a Mayfly 0.5b board with a RS-485 half shield adapter board. I turned on debugging to get some extra information.
- The Modbus slave address is returning a value of 253… it should be 1. However, there…
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Jim Moore replied to the topic Erratic EC response of Hydros 21 sensors in the forum Monitor My Watershed 1 years, 5 months ago
smaller file sent
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Jim Moore started the topic Erratic EC response of Hydros 21 sensors in the forum Monitor My Watershed 1 years, 5 months ago
I have a Mayfly sensor station on a small perennial trib to Marsh Creek. I was noticing step changes in the EC of over 100µS in the 5 minute sampling interval. Suspecting that this was a defective sensor so I co-located another sensor and got a similar result and the two EC readings were uncorrelated. Therefor I put both sensors in a filled bu…[Read more]
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Sara Damiano replied to the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
I don’t know whether the data is lost or not. I’ll look into it.
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Jim Moore replied to the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
The MMW server is working now but there is a data gap between 5/12 @15:00 and 5/13 @ 07:15. Will that data be restored or will we need to rely on the station SD card?
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Jim Moore replied to the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
I have been getting “server error(500)” for the last two days on all stations I attempt to load.
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Braedon started the topic Connecting apogee pyrgeometer and two apogee pyranometers to the Mayfly in the forum Environmental Sensors 1 years, 5 months ago
I am looking to connect an apogee SL-510-SS pyrgeometer to the Mayfly board. Eventually, I hope to have two apogee pyranometers on the same board as well, the SP-510-SS and the SP-610-SS. Because there are only four ADC pins (as far as I understand how the board works) it looks like I have to take single-ended measurements instead of differential…[Read more]
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Shannon Hicks replied to the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
Questions about implementing new hardware configuration or adding new sensors are best asked here on the EnviroDIY forum in the appropriate category. While I’m the designer of the Mayfly Logger board, there are plenty of other knowledgeable people in this community who can also help answer questions.
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Braedon replied to the topic Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor in the forum Environmental Sensors 1 years, 5 months ago
Okay sounds good. I was also wondering, Shannon, if you might be able to help me out with something. I’m looking to attach a suite of sensors to the Mayfly that have a mixture of analog outputs and digital outputs. I’m worried that I won’t be able to get all the sensors I need with this data logger. Is this something I could talk through with you?…[Read more]
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Sara Damiano replied to the topic Where do you go to get ManageMyWaterShed status in the forum Monitor My Watershed 1 years, 5 months ago
Monitor My Watershed’s visualizations were down for a while, but should now be fixed. We don’t currently have a specific page to go to to check the website status.
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Matt Barney replied to the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
Yes, it’s working again. Thanks.
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Sara Damiano replied to the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
Can you try again? There was a hot-fix yesterday that caused trouble, but it was reverted this morning. The download is working for me right now.
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Matt Barney started the topic Data download not working in the forum Monitor My Watershed 1 years, 5 months ago
I’m unable to download data from any sites. When I click ‘Download Sensor Data’, Chrome returns “Failed – Server problem.” When trying the same in Firefox, a new tab opens, but is empty.
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RogerS started the topic Where do you go to get ManageMyWaterShed status in the forum Monitor My Watershed 1 years, 5 months ago
Where do you go to get current ManageMYwatershed status?
I am noticing that visualizer data service is not working.
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Shannon Hicks replied to the topic Power usage of Mayfly1.1 with Hydros 21 cTD and LTE BEE cell modem in the forum Mayfly Data Logger 1 years, 5 months ago
We’ve published some sample power usage readings over the years, but it varies by station configuration and board version and a few other settings. But in general, a Mayfly v1.1 revB board with an EnviroDIY sim7080 LTEbee will use about 8 mA at idle, 0.650 mA in sleep mode, and a max of 110 mA for a few seconds when actively transmitting. But y…[Read more]
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Shannon Hicks replied to the topic Power usage of Mayfly1.1 with Hydros 21 cTD and LTE BEE cell modem in the forum Mayfly Data Logger 1 years, 5 months ago
We’ve published some sample power usage readings over the years, but it varies by station configuration and board version and a few other settings. But in general, a Mayfly v1.1 revB board with an EnviroDIY sim7080 LTEbee will use about 8 mA at idle, 0.650 mA in sleep mode, and a max of 110 mA for a few seconds when actively transmitting. But y…[Read more]
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