DS1302 ds18b20时间温度led显示系统源代码，全部都是自己写的，已经通过调试，下载到板子上绝对可用

本程序是PIC单片机自带AD转换功能的使用例子，并且采用了多次采样取平均值的方法进行抗干扰。-This procedure is a single-chip microcomputer PIC own use of AD conversion examples, and using a number of sampling methods to obtain the average interference.

spi 翻译资料 7.2 SPI总线 SD卡信道由指令和数据位（起始位和结束位）组成，SPI信道由字节定向。 每一个指令或数据块由8位的字节和CS标志构成。类似SD卡协议, SPI通讯由 指令、响应和数据组成。全部的主机与SD卡之间的通信由主机控制。主机执行 每一跟CS标志为低的总线-spi Translation 7.2 SPI bus data channel from the SD card command and data bit (start bit and end bit) component, SPI channel directed by byte. Every command or data block from 8-bit bytes and CS constitute signs. SD card similar to the agreement, SPI communications from command, response and data components. All of the host and the communications between the SD card by the host control. Each host implementation with CS low marks for bus

利用SMALL RTOS51做的一个项目，全部齐，用KEIL 7.07可马上编译-use SMALL RTOS51 do a project, all of chai, can be used immediately KEIL compiler 7.07

AT89C2051与上位机RS232通讯接口子程序,实现单片机与上位机的通讯-AT89C2051 and PC RS232 communication interface subprogram, the realization of SCM and PC communication

MSP430 149的4×4键盘扫描程序（中断方式），以及JM12864M的液晶驱动程序，谢谢指教-MSP430 149 of 4 × 4 keyboard scan program (interrupt mode), as well as LCD driver JM12864M Thank you advice

这是一个holtek单片机HT47R20_A读写at24c01的子程页，具有分页读写功能。-This is a HOLTEK SCM HT47R20_A literacy at24c01 the son-page tabs with read and write capabilities.

通过编程实现对LCD的驱动，实现能在LCD显示器上显示字符和数字。-Through the programming of the LCD driver, able to realize in the LCD display to show characters and numbers.

一款性能稳定的DMX512液晶显示控制系统,包括标准的数据输出,多级的菜单显示,通道可以任意设置-A stable performance of the LCD DMX512 control system, including standards for data output, multi-level menu display, the channel can be set up

Proteus环境下DAC0832数模转换程序与电路.-Proteus environment DAC0832 digital-to-analog conversion process and the circuit.