Description:
Electronic block arduino Soil Moisture Sensor Interface specifications:
VCC: External 3.3 V to 5 V
GND: External GND
DO: Digital output interface (0 and 1)
AO: Analog output interface(this interface is generally not do application)
Specification :
Soil moisture sensors are devices that measure the amount of moisture in the soil. The specifications of a soil moisture sensor can vary depending on the type and model, but some common specifications include:
- Sensing principle: The sensing principle used by the soil moisture sensor, such as resistive or capacitive.
- Measuring range: The range of soil moisture levels that the sensor can measure, typically expressed as a percentage of the maximum water holding capacity of the soil.
- Accuracy: The accuracy of the sensor in measuring the soil moisture level.
- Response time: The time it takes for the sensor to respond to changes in soil moisture level, typically measured in seconds or minutes.
- Operating voltage: The voltage required for the sensor to operate.
- Output signal: The type of output signal provided by the sensor, such as analog voltage, digital signal, or serial communication.
- Calibration: Some soil moisture sensors require calibration based on the soil type or other factors.
- Size: The physical size of the sensor, which can range from small surface-mount devices to larger modules.
- Installation method: The method of installing the sensor in the soil, such as burying or inserting it into the soil.
- Maintenance: Some soil moisture sensors may require regular maintenance, such as cleaning or recalibration.
It's important to note that the accuracy and reliability of soil moisture sensors can vary depending on factors such as soil type, temperature, and other environmental conditions. Therefore, it's always recommended to test the sensor under the actual operating conditions to obtain the best results.