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Thanks for the update.  We’re looking into it, my guess is there’s a conflict between two libraries that is causing some issues, so we’ll have to dig into it and narrow it down.

I wanted to come back to this thread to give an update. I did get this working! I had tried unplugging the modem and even commenting out any code related to the modem, it still would log every minute, so it wasn’t related to that. I had some code from another site that we knew worked, so I tried to use that, but then my version of the Modular…[Read more]

There’s information on this page, in Section 6.2 about the holes for the cable glands: https://www.envirodiy.org/knowledge-base/building-an-envirodiy-monitoring-station/

As mentioned on that page, the 1/2″ NPT cable glands require you to drill a 23/32” hole and tap it with a 1/2″ NPT tap.  I don’t know what the diameter of the cable for your sens…[Read more]

Thank you for that info.

I need to tap another hole for the Turner device and was wondering if you have a size recommendation for a drill tap and waterproof cable gland.

That’s one of the older, now-discontinued Xbee models.  Have you used that module before or is it completely new and unused?  We had many of them die after about a year of service.  Did you modify the SJ19 solder jumper on the back of the Mayfly to change the bee status pin from the usual Bee pin 12 to Bee pin 13.  I see you have it listed cor…[Read more]

Hi Shannon. I’m using a Digi XBee modem.  We can’t get a hologram account through our agency and we have a contract with Verizon, so we’re using this modem with a Verizon SIM card. We have other stations using a similar setup, though some have the v0.5 Mayfly boards with a modem adapter. I’ve attached a picture of this one that’s been giving me problems.

What modem are you using with this setup?

Can you email me at mayfly@envirodiy.org, I have a few other questions about the software libraries and hardware combinations for your setup.

Unfortunately, we do not have any other boards. Would it be worth it to purchase a new one? Or is there more troubleshooting we could do with the current setup?

Do you happen to have a spare Mayfly board, or any other Arduino-type board that you could run the sketch on?

Hi Shannon, thank you again. We were finally able to get a voltmeter and test the connection. There is voltage being applied to the sensors when the channel scanning sketch is running, but the program still says no sensor detected and to check the physical connection. We have tested both sensors. Could there be an issue with continuity?

The warnings you posted above seem to indicate that there’s a clash with the Sodaq DS3231 library.  Did you by chance happen to install that library separately into your Arduino/libraries folder?  ModularSensors already includes its own version of the DS3231 library which will conflict with the Sodaq library if they both exist on the same computer.

I have modified the sketch by replacing the UUID list in the original NoCellular sketch with my UUID list from Monitor My Watershed.

Are you trying to use the that NoCellular sketch as-is, or have you modified it before attempting to upload it?

I am using Arduino 1.8.19

I checked the libraries using your method and I do see all the examples and the sketches under the ModularSensors list.

I now ran into another problem which I believe is related to the DS3231 clock. I was able to set the time correctly using the directions from this page – 4. Preparing the Mayfly Data Logger – E…[Read more]

The unzipped folders go into your MyDocumenrs/Arduino/libraries folder.  Make sure they aren’t nested within a second ‘libraries’ folder within the first one.  What version of the IDE are you using?

A good way to check that your libraries are installed correctly is to look at the built-in examples.  In the ARduino IDE, go to the File dropdown me…[Read more]