18b20 temperature measurement, a simple c language code! Convenient and easy to...

单片机C语言下LCD多级菜单的一种实现方法-microcontroller C language LCD multi-level menu of a method

上车按键后开始计价。有实时时钟、单价、距离和总价钱显示。可以通过键盘修改单价（元/公里）和时间。有清除键用以清楚上次费用。利用LCD分别显示时间、单价、路程和费用。LED辅助显示说做操作。-Button on the bus after the valuation. Real-time clock, unit price, distance, and the total price display. You can modify the keyboard unit price (yuan/km) and time. There is the clear key to clear the last cost. Respectively, using LCD displays time, price, distance and cost. LED auxiliary display saying that operation.

C51系列接触式IC卡读写实验程序，用汇编语言实现-C51 series of contactless IC card reading and writing test procedures, using assembly language to achieve

pcb最小系统，可以根据提供的图进行修改共开发使用。-pcb minimum system that can be modified to provide plans were developed using the.

1602液晶模块的显示驱动头文件，可直接调用函数进行字符，字符串的输出，以及各种模式选择，光标快速定位等-1602 LCD display driver header files can be directly call function characters, string output, and a variety of mode selection, cursor positioning, such as rapid

CPLD与51单片机总线接 -CPLD with 51 microcontroller bus access

sd卡的程序，上面记录了SD卡的详细读卡写卡方式，适合51单片机或者其他-sd card procedures, the above records the SD card reader to write in detail the way cards for 51 single-chip or other

Ps2键盘驱动程序，用C51单片机驱动PS2键盘接口

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自己写的PWM 模拟比较等 AVR16的子程序 供大家参考-Write your own, such as analog comparator PWM Subroutine for the AVR16 U.S. reference