Automatic watering water pump automatic irrigation module DIY set soil humidity detection automatic watering pumping water

This set is a loose part, you need to wiring, or even welding lines, specific wiring methods, there is a schematic diagram, the package price is very favorable!Note that friends who do not provide technical support and do not have strong hands -on ability to buy!       (Because the store pays attention to the reason why many buyers give the bad review, I do n’t know how to use it.   The element contained in the set:   1 piece of relay module   Soil humidity probe+comparative module 1 piece   1 small water pump   1 battery box   USB power cord 1   Silicone software   50cm (default water pipe 50cm) If you need to lengthen, please purchase separately