Forum Activity – EnviroDIY

Matt Barney started the topic Plotting calculated values in the forum Mayfly Data Logger 6 hours, 30 minutes ago

How do I set up a calculated value to plot to my site at data.envirodiy.org? I’m using the example code here: https://github.com/EnviroDIY/ModularSensors/blob/master/examples/baro_rho_correction/baro_rho_correction.ino to do the calculation, set up the variable, units, etc., but I can’t seem to figure out how to set up the portal to accept the…[Read more]

Matt Barney replied to the topic Connecting XBee3 LTE to the internet in the forum Mayfly Data Logger 7 hours, 26 minutes ago

Neil and Sara, thank you both! Last night, before seeing your posts, I began testing again while in a different location (happens to be much more remote). I switched to Bypass mode last night, and it appears to be working! Now back in my office in the city, it works as well. I’ll attach my logfile as an fyi.

The above sketch displays firmware…[Read more]

Oscamo replied to the topic Mobile Sensor Platform? in the forum Infrastructure and Equipment 1 day, 6 hours ago

Hm. Thanks @srgdamiano, thats one way of doing it. The use case I envisage is pretty simple. Lets take a single technician with a portable water quality monitor, like a YSI or something. He/She drops it into a river at Position A, records data. Then turns device off, moves to Position B, records data etc etc. Once “home” uploads the data to…[Read more]

Sara Damiano replied to the topic Connecting XBee3 LTE to the internet in the forum Mayfly Data Logger 1 day, 6 hours ago

Oops. So, it never tried for longer than 15 minutes with that sketch because the watchdog doesn’t get “fed” while it’s waiting for the internet and it “bites” (ie, forces the board to reset) after 15 minutes. But 15 minutes is still a pretty long time to wait.

After the first connection in a new location, it should connect much faster in…[Read more]

Sara Damiano replied to the topic Mobile Sensor Platform? in the forum Infrastructure and Equipment 1 day, 7 hours ago

Hm. I’m not quite sure I follow you.

It sounds like you have a sensor package that you deploy at one spot for a while, then you stop it, pack it up, and move it somewhere else. After some time, you move the sensor package back to the original site. Is there ever data being collected while it’s moving, or is the GPS data only being collected to…[Read more]

neilh replied to the topic Connecting XBee3 LTE to the internet in the forum Mayfly Data Logger 2 days, 8 hours ago

I had a similar problem – see my comment in https://www.envirodiy.org/topic/trouble-registering-with-lte-m-network-on-hologram/
The fix that seemed to work was if it didn’t connect after a 100 AI status polls it issues
gsmModem.sendAT(GF(“+CREG”));
Search for +CREG in…[Read more]

Oscamo replied to the topic Mobile Sensor Platform? in the forum Infrastructure and Equipment 2 days, 13 hours ago

Thanks @srgdamiano, this is a great way to display the data and I think my application is simpler than that. In principle, I want to create “spot” checks of sampled data similar to what has been done for decades with water quality monitors from YSI, Horiba, OTT etc but map them on a GIS system.
This means, the _device_ moves around (as it is…[Read more]

Matt Barney replied to the topic Connecting XBee3 LTE to the internet in the forum Mayfly Data Logger 3 days, 10 hours ago

I modified line endings and changed the wait time to 30 minutes: modem.connectInternet(1800000L). I then had to leave and left the Mayfly running overnight. Still no data at MMW, but I now see connections being logged on my Hologram dashboard, and a single message that shows data usage:…[Read more]

Matt Barney replied to the topic Connecting XBee3 LTE to the internet in the forum Mayfly Data Logger 4 days, 6 hours ago

Hi Sara,

Initially I was testing on USB power only, but will now keep the LiPo plugged in as well, though no success so far with that. (I’m guessing the LiPo is needed to provide adequate current for signal transmission?) I’m testing in my office in an urban area where we have good Verizon and AT&T signals. I did carefully press the antenna’s…[Read more]

Sara Damiano replied to the topic SD Data Recording in the forum Data Loggers 4 days, 6 hours ago

I think

File Conductivity1 = SD.open(“Conductivity.txt”,FILE_WRITE);

should be

Conductivity1 = SD.open(“Conductivity.txt”,FILE_WRITE);

You also should have a

Conductivity1.close()

before the last delay.

Are you using a Mayfly? Are you using the built-in microSD card slot or the vertical adapter? What output do you get?

Did you ever ge…[Read more]

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