Wireless node based on wireless sensor network

The invention provides a wireless node based on the wireless sensor network, which comprises a sensor module, a microprocessor module, a wireless communication module, a power module and an additional interface module, wherein the sensor module is connected with the microprocessor module and the power module respectively; the microprocessor module and the wireless communication module are connected with the power module respectively; the microprocessor module is connected with the wireless communication module; the additional interface module is connected with the microprocessor module and the power module respectively. The sensor module is composed of a temperature sensor unit and a luminosity sensor unit and is used for acquiring environment information and sending the environment information to the microprocessor module. The microprocessor module is used for processing and storing the environment information sent by the sensor module and sending the processed environment information to the wireless communication module. The wireless communication module is used for sending the processed environment information provided by the microprocessor module.