单总线多点测温系统，单总线它采用单根信号线既传输时钟又传输数据，而且数据传输是双向的它具有节省I/O 口线资源结构简单成本低廉便于总线扩展和维护等诸多优点。本系统中所有的DS18B20都接在单片机的P1.1口上。用一个液晶屏显示，从单片机P3口接上8个开关，与右边的DS18B20 编号对应。当没有开关按下时屏幕显示"which NO you want press which key",要想看那一点处的温度就按下几号键-Single-bus multi-point temperature meas

单总线多点测温系统，单总线它采用单根信号线既传输时钟又传输数据，而且数据传输是双向的它具有节省I/O 口线资源结构简单成本低廉便于总线扩展和维护等诸多优点。-Single-bus multi-point temperature measurement system, a single bus, it uses a single transmission clock signal lines also transmit both data and data transmission is a tw

18b20测温数码管显示实验,对于学习18b20很有帮助-18b20 temperature digital display experiments, very helpful for learning 18b20

此为温度测控系统的测温程序，用于检测水杯实时温度并且实现PID控制-This is the temperature measurement and control system, temperature measurement procedures for the detection of glass and achieve real-time temperature of PID control