Soil moisture sensor,automatic watering system with demo code elect for Arduino

Soil Hygrometer Detection Module Soil Moisture Sensor for Ardu Automatic Watering System with Demo Code electronic DIY

Description:

The soil moisture sensor can be used to detect moisture. when the soil is dry, the sensor output analog value will decrease, and vice versa will increase as well. You can make an automatic watering device with this sensor. When you are not at home or over a long period of time watering, it can sense whether your plant is thirsty or not. Prevent the plants to wilt know that this is caused by lack of water. With the  controller to make your plants more comfortable, the garden is more intelligent.

The sensor surface made of metal processing, can extend its life. Insert it into the soil, and then read it using the AD converter. With its help, the plant will remind you: I want to drink, please water me!

Specifications:

· Supply voltage: 3.3V or 5V
· Operating current: less than 20mA
· Output voltage :0-2 .3 V [2.3V is completely immersed in water voltage value], 5V power supply, the greater the humidity, the greater the output voltage.
· Sensor Type: Analog Output
· Module size: 20X60mm
· Packing: static bag sealed

Test code:
/ *
# Example code for the moisture sensor
# Connect the sensor to the A0 (Analog 0) pin on the board

# The sensor value description
# 0 ~ 300 dry soil
# 300 ~ 700 humid soil
# 700 ~ 950 in water
* /

void setup () {

Serial.begin (57600);

}

void loop () {

Serial.print ("Moisture Sensor Value:");
Serial.println (analogRead (0));
delay (100);

}

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