Gikfun Capacitive Soil Moisture Sensor Corrosion Resistant for Arduino Moisture Detection Garden Watering DIY Pack of 2PCS EK1940

Pin: Analog signal output, GND, VCC Chip Model: NE555, Operating voltage: 3.3- 5.5 VDC, Output voltage: 0-3 VDC, Interface: PH2.54-3P, Size: 98 x 23mm (LxW), This capacitive soil moisture sensor distinguishes most of the resistive sensors on the market and uses capacitive sensing to detect soil moisture. It is made of corrosion resistant material which gives it an excellent service life., Built-in voltage regulator chip, support 3.3-5.5V DC, can be used for your Arduino and Raspberry Pi project. Applications: Garden plants ,Moisture detection ,Intelligent agriculture