Arduino Capacitive Soil Moisture Sensor (DIY) with ESP32

Many publications exist about moisture sensors for applications, e.g. plant watering systems. Making a DIY Sensor is fun and cost-saving.

Dec 21, 2018

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Components and supplies

1

Moisture Level Indicator

1

Capacitor 100 nF

1

Geekworm NodeMCU-32S ESP32S Lua

1

capacitive Soil Moisture Sensor

1

Resistor 1M ohm

1

1N4007 – High Voltage, High Current Rated Diode

1

Resistor 10k ohm

1

Resistor 221 ohm

1

Arduino Mega 2560

Tools and machines

1

Soldering iron (generic)

1

common workshop tools

Apps and platforms

1

Arduino IDE

Project description

Code

Soil_Moisture_Sensor.ino

arduino

Downloadable files

Fritzing diagram Soil Moisture Sensor

Breadboard set up for measuring soil moisture with a DIY capacitive sensor

Fritzing diagram Soil Moisture Sensor

Fritzing diagram Soil Moisture Sensor

Breadboard set up for measuring soil moisture with a DIY capacitive sensor

Fritzing diagram Soil Moisture Sensor

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