Accurate irrigation device based on internet of things

The utility model discloses an accurate irrigation device based on the internet of things, wherein the accurate irrigation device aims to solve the technical problems that according to a current water-saving irrigation control technology, wiring is complex, and soil moisture detection errors are large. The accurate irrigation device comprises a main control module, a wireless transmission module correspondingly connected with the main control module, and a power supply module correspondingly connected to the main control module, and further comprises a data acquisition control module in two-way data communication with the main control module. At least one relay is correspondingly connected to the main control module or the data acquisition control module. An electromagnetic valve is correspondingly connected with the output end of the relay. The electromagnetic valve is correspondingly arranged on a water conveying pipeline. At least one spraying nozzle is arranged at the water outlet end of the water conveying pipeline at intervals. At least one analog-digital converter is correspondingly connected to the data acquisition control module. A data acquisition device is correspondingly connected with the input end of the analog-digital converter. The accurate irrigation device has the advantages of being simple in wiring, high in automation degree, accurate in soil moisture detection and the like.