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In order to overcome the limitation of the traditional temperature and humidity measurement and the problem of flexibility, a vehicle temperature and humidity measurement system based on wireless transmission is designed.The user is able to use the computer to control the car remotely by wireless commands, which can measure the temperature and humidity in some place where people can not enter or in hazardous conditions. The DHT11 digital temperature and humidity sensor is used to measure the temperature and humidity, and the wireless transmission of data is realized by using the NRF905 transceiver module. PC uses Labview graphical development tools to write programs, the user can check the temperature and humidity history data in the control panel, and which displays real-time temperature and humidity data in three different forms, curve, digital and range, when the temperature and humidity exceeds the warning value, the utility model can alarm, and the track of the car can be displayed in real time. The man-machine interface of the whole system is simple, the system is stable, and the adaptability is strong.