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Why did you decide to keep the power to your shield/Atlas sensors on all of the time?

Yes, they were all bought shortly after re-listing.  I’ll be working to build more as soon as I can.

Hello,

You had the mayfly station monitoring kits available this morning, are they already out of stock?

Thank you!

If you’re keeping the Switched Power Out LED on all the time, then that is also powering the Aux 3v regulator, the 5v boost regulator, and the 12v boost regulator, as well as the LED.  I haven’t measured the current draw of all of those things while the board is sleeping, but it is most certainly the reason your battery drains so quickly.  You c…[Read more]

We have two versions of custom shields that the sensors are connected to that electrically isolate the circuits. The first shield connects to the power, ground, and I2C SDA and SCL pins on the Mayfly. The second shield connects to the switched power, ground, and I2C SDA and SCL pins.

I found that on the board that uses our first version of the…[Read more]

How are all your Atlas sensors connected to the Mayfly?  Through the I2C grove port?

Sorry about that, I just made the repo public if you have time to look at the sketch. We are using the EnviroDIY SIM7080G LTE Bee and a v1.0 board.

I appreciate your insight and help!

Your github repo isn’t public so I’m not able to view it.  I’d have to see the sketch to understand what’s going on with the logger code, but I’m guessing there’s a variety of factors involved in the failure.  One is that it looks like your station uses way too much power overnight, so either it’s not sleeping properly or you’ve got some LEDs on o…[Read more]

Hi Jake,

Your suspicion is correct: you have three Monitor My Watershed accounts. I’ll email you to sort this out.

We purchased NimbeLink’s Verizon SIMs, and we activate them and purchase service directly from NimbeLink, so never had to deal with Verizon itself.

I did contact SIMCom (maker of the modem chip on the LTEBee modems) about Verizon certification, and they said they were still awaiting it. Then they notified me once they received Verizon…[Read more]

SDI-12 sensors usually use 12 volts for sensor excitation because that’s what the specification for the protocol dictates.  Fun fact:  the “12” part of “SDI-12” does not refer to the voltage, but rather the baud rate, so the name actually means “serial-digital interface at 1200 baud”).  Back in the days when the protocol was first being used, mo…[Read more]

Matt, I did see that thread about the SIM and APN details, and have no doubt that the modems will work. The trouble is that our Verizon rep (as of January 2023) does not see the EnviroDIY modem IMEI numbers in their device database, therefore they will not “activate” them on our plan. We have SIM cards operating on the Verizon network now using…[Read more]

Thanks for looking into it.

I’m in the UK for my Uncle who had a stroke, and I took off very quickly from California,  and not likely to get back before the end of May after his funeral. I haven’t brought any tools to see what the response are from the server.

It seems very unlikely that 5 systems would all stop transmitting by themselves. My…[Read more]

@neilh20, We just looked at the database and the server logs and found the following.
<p style=”font-weight: 400;”>Only 5 sampling features stopped reporting new data on April 12.</p>

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