JTLB DIY Automatic Watering Kit Automatic Irrigation System with Soil Sensor for Plants DIY Electronic Watering System Plant Device

- ROUGHLY MEASURE HUMIDITY: This board can roughly measure the humidity and decide the switch of the watering equipment according to the humidity - ROUGHLY ADJUST SENSITIVITY WITH POTENTIOMETER: The sensitivity can be roughly adjusted with a potentiometer, enough for daily use of irrigation - NOT REQUIRE PROGRAMMING: This product does not require programming, does not include a single chip microcomputer, just assemble according to the schematic diagram, and easy to use - SIMPLE POWER SUPPLY: The power supply is simple, you can use a power bank (5V DC) as the power source, or use 4pcs AA battery boxes and install batteries for power supply - SOIL PROBE: Automatic irrigation module DIY kit with soil probe, provide intelligent detection and sensing