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Pavel started the topic SDI-12 sensors wake-up time after powering up in the forum Environmental Sensors 1 years, 6 months ago
Hello,
does anyone know what is maximum time that some SDI-12 sensors need to initialize to be able to communicate with data logger after powering up?
In SDI-12 specification, there is plenty of information on timing, but I guess it assumes sensors have power supply already connected and I have’t found info on power supply timing (meaning if I…[Read more]
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Jordyn MSUHydrogeology replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 6 months ago
Sounds good, Thank you!
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Shannon Hicks replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 6 months ago
We sold the last couple kits last week and I hadn’t updated the status page yet to indicate that, but I just did. There were some supply issues with some of the parts in the starter kits and full station kits, but that should be resolved soon and the kits back in stock in about a week. The rest of the custom EnviroDIY electronic items like the b…[Read more]
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Jordyn MSUHydrogeology replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 6 months ago
Hello! Do you know when the full mayfly station monitoring kits will be back in stock? The availability page says they are but the page for the kit says they are out of stock.
Thank you!
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Shannon Hicks replied to the topic Hydros 21 Gen 2 -9992 values in the forum Environmental Sensors 1 years, 6 months ago
As long as you’re using the latest Hydros21 library file that has the longer sample time (500ms warmup and 1000ms sample time, as shown here: https://github.com/EnviroDIY/ModularSensors/blob/master/src/sensors/MeterHydros21.h) then it sounds like maybe a faulty sensor. Or it could be that the Mayfly isn’t waiting long enough to either warm up o…[Read more]
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James_NZ started the topic Hydros 21 Gen 2 -9992 values in the forum Environmental Sensors 1 years, 6 months ago
Hi everyone,
I have a strange error where my brand new Gen2 hydros sensor is reading -9992 for depth and conductivity. Temperature is fine. I have three other Gen 2 sensors deployed and they all seem to work okay (although they too have negative value drop-outs on occasion).
I am using a Mayfly 0.5 board, and this happens in isolation of o…[Read more]
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Shannon Hicks replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 6 months ago
No exact date yet, but we’ve ordered all of our inventory items and now are just waiting. I’ll update the Availability page with exact dates if we get more detailed info.
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Matt Barney replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 6 months ago
Any estimate on when the LTE Bee modems will be back in stock, either here on EnviroDIY or on Amazon? -Thanks.
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Jane became a registered member 1 years, 7 months ago
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Jordyn MSUHydrogeology became a registered member 1 years, 7 months ago
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Shannon Hicks replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 7 months ago
The sensor manufacturer has assured me that the sensors will work at 3.3v, and we’ve had experience with hundreds of them and concur, but they’ll also work just fine with the jumper set to 5v instead, so it’s your choice.
This thread is for overall technical questions about the hardware on the Mayfly v1.1 boards, so if you have other questions…[Read more]
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Jim Moore replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 7 months ago
@shannon I noticed that the specs for the Hydros 21 indicate 4.0 volts minimum. The junper on the Mayfly board is set for 3.3 V. Would you recomend changeing that to 5.0 Volts?
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Jim Moore replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 7 months ago
Thanks! I’ll plug that into my code.
-jim
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Sara Damiano replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 7 months ago
@w3asa Did you look at this example: https://github.com/EnviroDIY/ModularSensors/tree/master/examples/DRWI_Mayfly1. I think it’s almost exactly what you want.
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Jim Moore replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 7 months ago
@shannon I am setting up a new sensor station using the hydros 21 (due in tommorow) but I am not using the turbidity sensor. I deleted that section of the code but I wanted to add the humidity sensor. What do I need to put in the variable list? Here is what I have:
Variable* variableList[] = {
new MeterHydros21_Cond(&hydros),
new Me…[Read more] -
Shannon Hicks replied to the topic 1.1 revB and Clarivue 10 Turbidity Sensor in the forum Mayfly Data Logger 1 years, 7 months ago
The Mayfly makes 3.3v, 5v, or 12v, as set by the jumpers on the headers next to each Grove socket. The ClariVue sensors need 9 or 12v, but at lower temperatures (below 5C) we’ve found that some of the sensor will stop working because the Mayfly can’t produce enough current at 12v at low temperatures. So to fix this issue, you can just change t…[Read more]
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joeln became a registered member 1 years, 7 months ago
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Sara Damiano replied to the topic Grove 4 pin terminal board in the forum Mayfly Data Logger 1 years, 7 months ago
To close the jumper on the Mayfly, you need a soldering iron. If you don’t have access to one of those, you might need to go back to the trinket.
You could also order a replacement pendant logger from Onset: https://www.onsetcomp.com/products/data-loggers/ua-003-64
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EMayerRHA started the topic 1.1 revB and Clarivue 10 Turbidity Sensor in the forum Mayfly Data Logger 1 years, 7 months ago
Hello,
I have some questions on the functionality of the board with the Clarivue 10 Turbidity sensor. There have been some threads and posts that the 1.1 RevB boards can power the sensor and take readings, but when trying to use the sensor, I have been getting a reading of -9999.
I am using the six-screw terminal block for the bare wires, and a…[Read more]
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Anthony Aufdenkampe replied to the topic Secure Connection SSL help in the forum Mayfly Data Logger 1 years, 7 months ago
@ldecicco, last autumn I started working on a somewhat similar task using the same radio module, but for posting to Azure EventHub.
As @srgdamiano mentioned, the key is to add HTTPS capabilities using the <span class=”lang:default decode:true crayon-inline “>TinyGsmClientSecure client(modem)</span> . Doing that worked for me and I was able to…[Read more]
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