Research on temperature, humidity and pressure sensor system for atmosphere

A system for atmosphere research with temperature, humidity and pressure sensor was introduced. The signal acquisition and processing employed a F350 MCU with 24-bit AD. A single-chip UHF transceiver CC1000 modulated the data, and MAX2235 amplified the signals. The structure of integrated sensor, the principle of measurement method, the hardware block diagram of the instrument system and the important design flow of software were introduced. The experimental results show that the system volume is smaller, the cost is lower and the precision is suitable for applications.