MAX7219的驱动程序，基于51的，C语言描述，附带DS18B20的驱动程序，体现MAX7219的用途，带PROTUES 仿真。（MAX7219，7段数码管驱动IC，LED驱动IC，美信公司产品）【原创】-MAX7219 driver, based on the 51, C language descr iption of the driver DS18B20 incidental, reflecting the use of MAX7219 with PROTUES simulation.

DS18B20温度采集，LED报警，EEPROM数据存储，7段数码管显示温度，RS232串口发送命令并显示读取的温度数据。-DS18B20 temperature acquisition, LED alarm EEPROM data storage, 7-segment digital display temperature, RS232 serial port to send commands and read the temperature data.