I recently bought an Enviro Urban and rather then write a review thought I would write up me experiences here.
Having assembled the kit I switched it on and got the red warning LED, to check the device over I plugged it into my PC and the white LED came on and it started the setup. The setup is impressive, I was blown away that the Pico could run such a web site, but then I found I couldn’t set up a connection to an InfluxDB. So downloaded and installed latest firmware which allowed me to connect to the InfluxDB on my Raspberry Pi 4. Everything was looking good but a few hours later the Enviro stopped, read the log and it said it failed to upload. Reset and checked but the following day it stopped again, this time nothing I tried would get it to restart. Checked the batteries and they were only 1v, these had come with the kit and only lasted two days even though I had used recommend settings for uploads to extend battery life. Replaced the batteries and so far everything looks good.
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Out of interest - how frequently were you logging and what was the Ah of your battery? I’m having issues with Enviro Urbans seemingly freezing at the point of trying to take a measurement, typically anywhere between 10-50 readings in - submitted here. I don’t think it’s the battery as it does something similar if I reset things and dont recharge the battery, but perhaps I’m wrong.
I made a few changes to the code to light the LEDs when measuring and to make 3 back-to-back measurements each start-up, but I would be very worried if these alone are causing the battery to drain too fast for an hour of measurements every 5 minutes (which I seem unable to acheive).