此程序能实现PIC16F877A与D12实现USB通讯，能正确被主机识别

快热式热水器程序。循环调用显示、键扫描、温度检测、加热控制函数。 判断是否加热、加热功率及档位指示灯处理。-Quick-style hot water heater program. Cycle of calls shows that key to scan, temperature detection, heating control function. Determine whether the heating, heating power and light treatment stalls.

采用UART方式0与LM74通信。 用C8051f020的P0.7作片选，主机通过TXD发送时钟信号，实现同步通信,半双工.RXD 作双向数据线.用六位数码管显示LM74采集的温度值-The use of UART communication mode 0 and LM74. P0.7 used for the C8051F020 chip select, host TXD sent through the clock signal, to achieve synchronous communication, half-duplex. RXD for bi-directional data line. With six digital tube display LM74 temperature collected

51单片机驱动DSB20单总线温度传感器-51 Single-chip driver DSB20 single bus temperature sensor

C8051f020单片机内部FLASH读写程序-C8051F020 single chip microcomputer to read and write procedures for internal FLASH

比较完成的FAT文件系统与单片实验,本系统利用AVR-Comparison of completed FAT file system and single-chip experiment, the system uses AVR

顶尖电子称PS-15E电子称传称设置，一个很好的演示操作文档-Top E-called PS-15E electronic Chuan said that setting, a good demonstration of operation of the document

9s12定时器的应用实例，采用中断方式，已调试通过-9s12 timer example, interrupt, through debugging

基于MCS-51单片机的数字时钟C语言程序-Based on MCS-51 single-chip digital clock C Language Program

利用两个数码管，模拟对时钟信号分频后技术功能，理解数码管的动态显示 其中程序中有动态扫描进程；译码进程；数字技术进程三个进程，也可以实现分块实现-Use of the two digital control, analog signal to the clock frequency after the technical capability, understanding the dynamics of digital tube display in which proceedings have dynamic scanning process decoding process digital technology the process of the three processes, can also block realize realize

可用的MSP430JTAG调试器，含protel格式的电路图和PCB图-available MSP430JTAG debugger, Protel format with the circuit and PCB plans