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- Sat Aug 18, 2018 3:26 pm
- Forum: ESP32 Arduino
- Topic: analogRead reading 0 when using esp32 as power source.
- Replies: 0
- Views: 2664
analogRead reading 0 when using esp32 as power source.
Hi. I have an ESP32 DEV from DOIT and i'm trying to read soil moisture with this sensor . When i power the sensor with 3.3 volts from ESP32 board it constantly reads 0. I tried to supply power from an external power to the sensor from an arduino UNO board but the readings are very unstable. It get w...