the upper and lower end of analog input never seems to work for me either, i had a similar problem and I was able to get around it by changing my voltage divider to max out at 3v instead of 3.3. you will also have this problem on the low end, so try not to go under .3v, R1 470ohm and R2 1kohm will g...

try this in board manager

http://arduino.esp8266.com/stable/packa ... index.json
https://dl.espressif.com/dl/package_esp32_index.json
https://dl.espressif.com/dl/package_esp ... index.json

ESP32 by espresif doesn't show for me, but I use ESP32 Dev Module and it works with no problem.

My daughter is making a temperature, humidity, and soil moisture sensor for a school project (now due in 2 days) She had to make an invention and she is calling this the Plant-O-Meter. We have been able to get it mostly working except the soil sensor sending to the web server. If we do this the sens...