摘要
利用数字式温湿度传感器SHT11采集温度和湿度,将采集的温度和湿度利用集成化串行输入/输出共阴极显示驱动器MAX7219显示。MAX7219可以方便连接微处理器与8位数码管,并对数码管动态扫描显示,单片机更新某个数据时不需要改写其他数据。整个装置具备显示亮度可调、占用控制器引线少、简化外围接口电路、方便使用等诸多优点。
The temperature and humidity are collected by the digital temperature and humidity sensor SHT11, and the collected temperature and humidity are displayed by the integrated serial input/output common cathode display driver MAX7219.MAX7219 can connect the microprocessor and the 8 bit digital tube conveniently, and the dynamic scanning of the digital tube shows that when the data is updated by a single chip microcomputer,the other data don't need to be rewritten. The whole device has many advantages, such as adjustable brightness, less controller lead, simplified peripheral interface circuit and convenient use.
出处
《电脑知识与技术（过刊）》
2017年第10X期275-276,共2页
Computer Knowledge and Technology
基金
广东机电职业技术学院横向项目(0600121110)
