Code: Select all
eFuse Two Point: NOT supported
eFuse Vref: NOT supported
Characterized using Default Vref
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
Raw: 4095 Voltage: 1039mV
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Moisture sensor ESP32 DevBoard
VCC ------------------> 3V3
GND ------------------> GND
A out ------------------> GPIO34 (as code is using ADC_CHANNEL_6)
If I use Arduino IDE for analog read, I get correct results (different values when moisture sensor is dipped and undipped in water) with same hardware configuration.
I spent lot of time, but couldn’t figure out what I am doing wrong.
Any guess please.