-
James_NZ replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 8 months ago
@sofija I am using mayflies for my PhD research as well. I’m really interested to hear what you are doing with them, and can also provide some advice on how to get equipment.
-
Shannon Hicks replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 8 months ago
The correct part number for U9 is bq24074, as shown in the red text at the top of the schematic symbol. Apparently the device properties in the Eagle library that I got from Adafruit two years ago for that component have an incorrect value printed below the symbol diagram on the schematic file only, but the BOM produced from that schematic file,…[Read more]
-
Matt Barney replied to the topic Mayfly v1.1 technical questions forum thread in the forum Mayfly Data Logger 1 years, 8 months ago
I don’t have a ton of experience reading schematics, so I could be in error here. But FYI, it appears there may be an inconsistency in the v1.1 rev A schematic regarding the part number of the LiIon Charger chip. Please see attached screenshot. (Also understanding that these things are a moving target as chip availability changes.)
-Matt
-
neilh20 replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 8 months ago
@sofija if you start a topic, perhaps describing what sensors you think you want, and some of the sensing goals, then it would be easier to provide some insights. My first board I used was from a Dutch company, the hardware availability isn’t a good place to discuss this. It could be in https://www.envirodiy.org/forum/infrastructure-and-equipment/
-
sofija replied to the topic 2022 EnviroDIY Hardware Status and Availability in the forum Mayfly Data Logger 1 years, 8 months ago
Hello, I would like to use Mayfly for my PhD research but I’m based in the UK–have you had any experience with people successfully deploying Mayfly in other countries? I know you don’t sell them outside of the US, but I would appreciate any pointers on where to start getting information on what it would take to transport them to Europe once they a…[Read more]
-
Laura DeCicco replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
Much like some of the other issues with similar initial connection problems….I re-started the Serial Monitor enough times that it eventually worked! For the record, U.S. Cellular no longer piggy backs off Verizon, so we’re not concerned that we might accidently float into a Verizon tower.
-
mbullard replied to the topic Conductivity in relation to geology in the forum Miscellaneous 1 years, 8 months ago
Here are some more.
Modeling Spatial and Temporal Variation In Natural Background Specific Conductivity. https://cfpub.epa.gov/si/si_public_file_download.cfm?p_download_id=540509&Lab=CEMM
Effects Of Land Cover And Geology On Stream Chemistry In Watersheds Of Chesapeake Bay…[Read more]
-
Dave Bressler replied to the topic Conductivity in relation to geology in the forum Miscellaneous 1 years, 8 months ago
Griffith et al. 2014. Natural variation and current reference for specific conductivity and major ions in wadeable streams of the conterminous USA, https://www.journals.uchicago.edu/doi/full/10.1086/674704
-
D_Manning started the topic Conductivity in relation to geology in the forum Miscellaneous 1 years, 8 months ago
I’m looking for a good resource on how stream conductivity depends on the nature of the underlying geology.
-
Shannon Hicks replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
There’s no easy way to tell your Mayfly sketch to wait longer on initial startup, the instructions for that are buried deep in one of the supporting library files and not in the main sketch. Usually just having the larger antenna and using it in an area with known strong cell signals during the initial activation is all that’s necessary.
One o…[Read more]
-
Laura DeCicco replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
You’re right! I had pulled the SIM card out to get the ID and apparently didn’t quite push it in far enough, so I’m back to the “Could not connect to internet for clock sync.”.
The antenna is that little green one (I don’t see a part number/name but I assume you know what I mean). I’ll look into getting the bigger one.
While I wait on the…[Read more]
-
Shannon Hicks replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
If the Mayfly reports “could not wake modem for clock sync” then that means there’s no communication between the Mayfly and the cellular module. That usually happens when then cell module isn’t properly seated all the way in the Bee socket or the pins aren’t aligned properly. If the bee module is correctly installed, the clock sync part of the s…[Read more]
-
Laura DeCicco replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
The APN for US Cellular is “uscc05836.enterprise3.usc-cdp”. Southern WI is one of the few places US Cellular has dedicated towers and the signal is good (from what I’ve been told)….but if somehow the Verizon tower is what’s being hit that would make sense. I’ll try ordering a Hologram card to jump start this project (I don’t think that’s a…[Read more]
-
Shannon Hicks replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
What is the APN name that US Cellular gave you use? Is the SIM card activated? Have you ever used that particular SIM card on another cellular device, like a tablet or phone? Are you sure that there is sufficient US Cellular coverage in the area where you’re using the board? They don’t actually own any cell networks, they just piggy-back off…[Read more]
-
Laura DeCicco replied to the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
We can see some data usage from the SIM card…so it maybe it just needs a longer time before “Putting modem to sleep”?
-
Laura DeCicco started the topic U.S. Cellular EnviroDIY LTE Bee connection in the forum Mayfly Data Logger 1 years, 8 months ago
Setup:
- Mayfly v.1.1 (via the EnviroDIY Mayfly Data Logger Board and Starter Kit)
- EnviroDIY LTE Bee
- U.S. Cellular SIM card
I’m using this sketch:
https://github.com/EnviroDIY/ModularSensors/blob/master/examples/DRWI_SIM7080LTE/DRWI_SIM7080LTE.inoI’m pretty confident I have changed the following code correctly: APN connection name (line…[Read more]
-
James_NZ replied to the topic Please Help! Meter CTD Gen2 being blocked by Yosemitech 511-a in the forum Environmental Sensors 1 years, 8 months ago
Hi @shicks and @srgdamiano. You’re not going to believe it but the addition of the build flag below has fixed my problem, at least for the Gen2 sensors.
-D MS_SDI12_NON_CONCURRENT
I am certain it is this build flag and not the voltage pin (previously set to 5v) because I uploaded my script prior to switching the voltage pin over and it su…[Read more]
-
Stephen H replied to the topic Transfer MMW Site Owner in the forum Monitor My Watershed 1 years, 8 months ago
Thank you!
-
Sedhead replied to the topic Ultrasonic Water Surface Elevation in the forum Environmental Sensors 1 years, 8 months ago
Let me lay the cards on the table: I am coming back to sensor construction after a five year hiatus (I’m a geology/env sci prof and covid sort of wiped out cool things like this for me). So I’m trying to spin back up and I’m hoping to implement a water level sensor in our university’s water sumps to monitor ‘invisible’ water as it flows through…[Read more]
-
Shannon Hicks replied to the topic Transfer MMW Site Owner in the forum Monitor My Watershed 1 years, 8 months ago
I don’t think that feature has been implemented yet, so for the time being, if you need to change ownership of a site you can email me at mayfly@envirodiy.org and I can manually change the assigned owner.
- Load More