c51的usb的通信程序库，支持51兼容的单片机和pdusbd12接口芯片

这是原创的基于PIC16F877A单片机的实时温度测量系统的程序源代码-This is the original PIC16F877A microcontroller-based real-time temperature measurement system source code

用汇编语言写的PIC单片机控制的时钟程序，以通过编译，另有PROTEUS电路图。

用AT89C2051实现程序A/D转换程序，用PWM模拟输出。-Procedures using AT89C2051 realize A/D conversion process, using PWM analog outputs.

ad转换0809的引用实例，次程序调试过，用作数字电压表，精度还不错。-ad conversion of the quoted examples of 0809, sub-program debugging, and used as a digital voltage meter, accuracy was not bad.

7290键盘管理及显示芯片有ds1302，ds18b20温度检测芯片联合翻页显示时间及温度-7290 Keyboard Manager and display chips are ds1302, ds18b20 temperature detection chip joint next page display time and temperature

msp430f149键盘中断程序，用端口中断。通过实验验证-msp430f149 keyboard interrupt procedures, using ports interruption. Experimental verification

详细讲述单片机中SPI接口以及串行接口的原理和编程方法，很有价值-detail microcontroller interface and SPI serial interface and programming method and of great value

用AT89S51单片机制作的一个带通讯的数字电压表，内含电路原理图及汇编源程序代码，以及数张图片，还有论文和设计感想。倾力奉送！-AT89S51 produced using a single-chip communications with digital voltage meter, including the circuit schematic and the compilation of source code, as well as a few pictures, there are papers and design thoughts. Effort away!

用 AT89C51、LED 数码管、按键、二极管等部分构成，能实现时钟日历的功能：能进行时、分的显示。也具有时钟，定时时间的设定，实现三路开关定时输出等功能。-With AT89C51, LED digital tubes, buttons, diodes and other components, to achieve clock calendar function: to carry out, the sub-display. Also has a clock, timer time setting, the realization of three-way开关定时output functions.

通信电源中，整流器模块控制器程序。ATmega16L，8M晶振，使用USART通信中断，使用ADC采集模块数据，使用部分通用I/O口控制模块开关机。-communication power, the rectifier module controller program. Indicator, 8M crystal use USARTs communications interruptions, and the use of ADC data acquisition module, the use of part of general-purpose I/O control module switching machines.