1/23/2018 ESP32 Environment Sensor Shield Hookup Guide - learn.sparkfun.com
https://learn.sparkfun.com/tutorials/esp32-environment-sensor-shield-hookup-guide?_ga=2.200929641.659504291.1516640116-204410570.1509632…
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Jumpers on Back of the Board
There are five jumpers on the back of the board.
