基于PIC12F629数字化温湿度检测系统

Design of Digital Temperature and Humidity Monitoring System Based on PIC12F629

描述了在通信公司基站上,采用RS-485总线通信的数字化温湿度检测系统的设计和实现。介绍了温湿度数字传感器和PIC12F629的功能特点,使用PIC软件时序控制温度传感器DS18B20和湿度传感器HS1101测量出结果,并应用外部中断判断地址实时发送数据,介绍了上下位机的基本功能。利用此系统可以实时准确地对温湿度进行监测。实现温度检测范围为-20~90℃,精度为±0.5℃;湿度检测范围为0~100%RH,精度为±2%RH.

The design and application of the digital temperature and humidity monitoring system based on RS-485 standard used in base station was described.The digital temperature and humidity sensors and the PIC12F629 features were introduced,and the hardware and software feasible methods of the temperature and humidity monitoring system were given,then the functions of host computer and slave computer were described.This system can inspect temperature and humidity exactly and timely.The temperature measurement range...