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MAX7219驱动例程，工程内还有DS1302等驱动代码，是学习写驱动不错的工程。-MAX7219-driven routines, engineering, etc. There are DS1302 driver code, is to learn to write good works driver.

8位LED显示驱动芯片MAX7219的驱动程序-eight LED display driver chip MAX7219 driver

单片机c51系列控制74h595移位寄存器驱动LED显示-C51 Series 74h595 Singlechip control shift register drives LED display

用C实现数字电压电流表：1、由外部输入直流电压电流，电压范围20V，电流范围1A； 2、电压/电流通过开关切换； 3、显示：数码管显示电压值/电流值，精度0.01。 -Implementation using digital voltage ammeter C: 1, by the external input DC voltage and current, voltage range of 20V, the current scope of 1A 2, voltage/current through the switch 3, Display: Digital display voltage/current value, the accuracy of 0.01.

P89LPC900系列单片机 P89LPC922单片机的ISP下载功能的相关方法-P89LPC900 MCU P89LPC922 MCU ISP download the relevant methods

基于AVR单片机的电池容量显示 开发环境 I-Based on the AVR MCU development environment battery capacity display I

温度测量DS18B20+AT89C2051-temperature measurement DS18B20 AT89C2051

ds18b20 温度传感器 硬件设计和软件编程 供大家学习只用 能力有限 大家共同探讨-DS18B20 temperature sensor hardware design and software programming for your learning only limited ability to explore all

单片机KeilC学习例程，不需要数点基础，可以掌握C51的使用-Microcontroller KeilC learning routines, no basis for a number of points, you can master the use of C51

非接触式IC卡读写器,Mifare 1非接触式IC卡读写核心模块MCM2-Design of Mifare Touch- Free IC Card Reader