DIY Automatic Irrigation System Self Watering DIY Kit Garden Greenhouse Flower Water Pump Soil Moisture Sensor Relay Module DC 5V Soil PH Meter Automatic Irrigation DIY Set 4CH Relay Self-Watering System For Garden Flower Automatic Irrigation Device Product features: Easy to use, this automatic watering DIY kit is very suitable for monitoring soil moisture, because it will automatically water your plants and flowers Automatic irrigation system, which combines the pump, pipeline, soil moisture sensor and 4-channel 5V relay module in a plant irrigation system, including a kit for the entire Arduino DIY drip irrigation system The capacitive sensor is placed in the soil around the plant, and you can communicate with the plant through the sensor and the motherboard. Do your plants need more water to replenish water to see if they are short of water Take care of your plants at all times. The system can automatically water your plants. When your soil is too dry, the water pump will start and the water will flow into the pipes and containers. When you go on vacation, you don't have to worry about your plants Very suitable for personal DIY production Specifications: Capacitive soil moisture sensor: Working voltage: 3.3~5.5 VDC Output voltage: 0~3.0 VDC Interface: PH2.54-3P Pin: analog signal output, GND, VCC 1-circuit 5V relay module: VCC: Connected to 5V positive power supply GND: connected to 5V negative power supply Mini pump: DC voltage: DC3-5 V Outer diameter of water outlet: 0.29 inch/7.5 mm Inner diameter of water outlet: 0.17 inch/4.5 mm Water inlet diameter: 0.19 inch/5mm Drive mode: brushless DC design, mesh drive 300 hours continuous service life Vinyl pipe: Material: PVC Length: 39.37 "/400cm Material: ABS Package Include: Capacitive soil humidity sensor X4 4-way 5V relay module X1 Water pump X4 4M water pipe X1 _x000D_