Capacitive Soil Moisture Sensor

Operating Voltage: 3.3 ~ 5.5 VDC.
Operating Current: 5mA.
Interface: PH2.54-3P.
Dimensions mm(LxWxH): 98 x 23 x 4.
Supports 3-Pin Gravity Sensor interface
Analog output.
Weight (gm): 15.

SKU: EK857 Categories: Environmental Sensors, Sensors Tags: Environmental Sensors, Sensors

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Description

This Capacitive soil moisture sensor measures soil moisture levels by capacitive sensing rather than resistive sensing like other sensors on the market. It is made of corrosion-resistant material which gives it excellent service life. Insert it into the soil around your plants and impress your friends with real-time soil moisture data!

This module includes an onboard voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V. It is perfect for low-voltage MCUs, both 3.3V, and 5V. For compatibility with a Raspberry Pi, it will need an ADC converter.

This soil moisture sensor is compatible with our 3-pin “Gravity” interface, which we can connect to the Gravity I/O expansion shield.

Applications:

Garden plants
Moisture detection
Intelligent agriculture

Note: This module is available in different versions. The V1.2 version sensor can work with only 5v while the V2.0 version sensor works with both 3.3V and 5V

Circuit Diagram of Moisture Sensor Compatible with Arduino and Display:

Software

Arduino IDE V1.6.5 Click to Download Arduino IDE

To Explore More Moisture Sensors, Click here

Features:

Supports 3-Pin Gravity Sensor interface
Analog output

Package Includes:

1 x Capacitive Soil Moisture Sensor

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
Soil Sensor	VCC/GND/AOUT	3.3-5V / GND / board analog pin

📟

Capacitive Soil Moisture Sensor

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

Wrap

Capacitive Soil Moisture Sensor - Arduino Uno

Capacitive Soil Moisture Sensor - Arduino Nano

Capacitive Soil Moisture Sensor - Arduino Mega

Capacitive Soil Moisture Sensor - ESP32

Capacitive Soil Moisture Sensor - ESP8266

Capacitive Soil Moisture Sensor - STM32

Capacitive Soil Moisture Sensor - Raspberry Pi Pico

📄 File: capacitive_soil_moisture_sensor_-_arduino_uno.inoArduino Uno

538 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Uno. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_arduino_nano.inoArduino Nano

539 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Nano. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_arduino_mega.inoArduino Mega

539 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Mega. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_esp32.inoESP32

532 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 34 on ESP32. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN 34

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_esp8266.inoESP8266

534 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on ESP8266. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 3.3 / 1023.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_stm32.inoSTM32

534 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin PA0 on STM32. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN PA0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

📄 File: capacitive_soil_moisture_sensor_-_raspberry_pi_pico.inoRaspberry Pi Pico

544 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 26 on Raspberry Pi Pico. Lower reading = wetter soil (less resistance between probes).

6#define SOIL_PIN 26

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SOIL_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Soil moisture raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.print(voltage);

18 Serial.println(raw < 500 ? " -> Wet" : " -> Dry"); // calibrate threshold for your own soil/probe

20 delay(1000);

21}

Project Notes:

Capacitive (corrosion-resistant) analog soil moisture sensor.

نظرة عامة ومواصفات المنتج — بالعربية

Capacitive Soil Moisture Sensor متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Environmental Sensors وSensors، بسعر 90,00 EGP. كود المنتج لدينا: EK857. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

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