Product Overview
1/23/2018 ESP32 Environment Sensor Shield Hookup Guide - learn.sparkfun.com
https://learn.sparkfun.com/tutorials/esp32-environment-sensor-shield-hookup-guide?_ga=2.200929641.659504291.1516640116-204410570.150963…
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The first few lines are just diagnostics from the ESP32, and will be present at boot time regardless of the application being run.
Immediately below the line “Connecting to sparkfun-guest” you see a series of dots. One dot appears every half second while the
connection is pending, so you can see from this example that it took approximately 3 seconds for the WiFi to come online. After
that, the various environmental parameters we’re looking at are printed out, along with a timestamp in seconds since the platform
was booted.
Once a minute, the stream of data from the sensors is interrupted by a connection to the weatherunderground.com servers. Here’s
what that output looks like: