ITROLLE Soil Moisture Sensor 2PCS Soil Humidity Detection Module Ground Moisture Water Sensor Detector for Arduino Moisture Detection Garden Watering DIY Soil Hygrometer

Specification: Product name: soil moisture sensor Material: Metallization Weight: about 10g/pcs Size: 20x60mm/0.79x2.36inch Packing method: electrostatic bag sealed Package contains: 2PCS soil moisture sensor Technical specifications Power supply voltage: 3.3V or 5V Working current: less than 20mA Output voltage: 0-2.3V [2.3V is the voltage value completely immersed in water], 5V power supply, the greater the humidity, the greater the output voltage. Sensor type: analog output Interface definition: 1-pin signal, 2-pin ground, 3-pin power positive Service life: about 1 year (surface gold-plated treatment, enhanced conductivity and corrosion resistance)