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jsterling replied to the topic Turbidity Sensor Information/Questions in the forum Environmental Sensors 2 years, 1 months ago
Hello, I have a few Mayfly dataloggers deployed with Campbell Scientific OBS3+ sensors. I recently purchased a Campbell Scientific ClariVUE10 sensor and a Mayfly 1.1 datalogger and am looking for some advice. I noticed that the new ClariVUE10 has only 4 wires (OBS 3+ has 6). Can I use the EnviroDIY Multipurpose 6-pin screw terminal to attach the…[Read more]
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millerlp became a registered member 2 years, 1 months ago
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mgyves-USGS became a registered member 2 years, 1 months ago
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Matt Barney replied to the topic LTEBee on Verizon? in the forum Mayfly Data Logger 2 years, 1 months ago
I’ve confirmed that the Verizon SIM we used was this one, from NimbeLink:
https://www.digikey.com/en/products/detail/nimbelink-llc/NL-SIM-VER-M1/7101751 -
Russ L became a registered member 2 years, 1 months ago
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Stephen Ng became a registered member 2 years, 1 months ago
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olsen_jolie became a registered member 2 years, 1 months ago
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neilh20 replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 2 years, 1 months ago
For the battery, seems to me there is two engineering approaches, specification and characterization.
For the specified battery 4400mAh https://www.adafruit.com/product/354
which has a listed data sheet from the manufacturer – https://cdn-shop.adafruit.com/product-files/354/C449_-_ICR18650_4400mAh_3.7V_with_PCM_20140728_APPROVED_8.18.pdf
it has a…[Read more] -
Kale replied to the topic purchasing Nitrate monitor in the forum Environmental Sensors 2 years, 1 months ago
I’m also interested in Nitrate sensors. I’m a HS teacher and have a grant to install a greenhouse. I am wanting to set up an aquaponics system to grow starts for an area we are reclaiming into native grasslands, a a rain garden, and pollinator garden we have started at my school. I’d love to get some nutrient monitoring for the water quality of…[Read more]
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Lucy became a registered member 2 years, 1 months ago
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Kale became a registered member 2 years, 1 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 2 years, 1 months ago
The components on the Mayfly circuit board are rated to withstand the industrial temperature range of -40C to +85C. Here in Pennsylvania, our loggers don’t normally see that full range during normal deployments, but this summer we frequently reached almost 60C with one of our loggers that is mounted in an open field inside a clear plastic…[Read more]
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Sobralis became a registered member 2 years, 1 months ago
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RogerS replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 2 years, 1 months ago
This may have been asked already.
The Mayfly v1.1 board. What is the temperature range that this board can stand for a closed up box? Also, we have the 4400mAh LIPO battery, Operating and charging with the solar panel. What is the min and max temperatures can this battery stand with a closed up box?
Thanks,
Rogers
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RogerS became a registered member 2 years, 1 months ago
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Dawn replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 2 years, 1 months ago
Thank you so much, Shannon!
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Matt Barney replied to the topic LTEBee on Verizon? in the forum Mayfly Data Logger 2 years, 1 months ago
@jamesbailey I’ll check with my colleague to find out exactly which SIM he used for the test; he’s in the field for a few days. My test code is based on https://github.com/EnviroDIY/ModularSensors/blob/master/examples/DRWI_SIM7080LTE/DRWI_SIM7080LTE.ino, and the only modem-related code change I made was to the APN.
-Matt
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Shannon Hicks replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 2 years, 1 months ago
Mayfly v1.x power usage (with no external sensors attached) and both LED dipswitches off (the brown/white slide switches between the main power switch and the vertical SD card socket) is as follows:
Mayfly current when board is powered and idle: 6.5 mA
Mayfly current when MCU put to sleep and no microSD card in socket: 0.27 mA (or 270 uA)
Mayfly…[Read more] -
Shannon Hicks replied to the topic LTEBee on Verizon? in the forum Mayfly Data Logger 2 years, 1 months ago
End device certification for an open source DIY project like this is nearly impossible, since there’s an infinite number of combinations that users can configure their station with various equipment, accessories, antennas, not to mention all the ways they can change the actual code running on the main processor board. That’s why we try to use…[Read more]
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James B replied to the topic LTEBee on Verizon? in the forum Mayfly Data Logger 2 years, 2 months ago
@mbarney, do you know if the REVX plan/sim card you had success with is the CATM version (50mb for $5) or the 4G version (10 mb for &12)? With the new modems I have not been able to register on the network (cereg 0,3) using the 4G plan and sim that worked for a couple years with the old xbee modem.
@shicks, RevX systems technical support has…[Read more]
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