This is the common pic microcontroller subroutine, including BCD conversion and...

这是用来读写DALLAS12C887的程序模块，-This is the procedure used to read and write DALLAS12C887 modules,

nRF2401开发板的电路原理图pdf文件-nRF2401 development board schematic circuit pdf file

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

自己写的1621驱动程序（绝对可以用的，针对NEC单片机的）-Write your own 1621 driver (certainly we can use for NEC MCU)

开关稳压电源 开关稳压电源-Switching Power Supply Switching Power Supply

由单片机控制的蜂鸣器，唱出猪之歌的音乐，用C语言编的程序。-SCM control buzzer singing Song of Pig C-language program

以Silicon Laboratories公司C8051F230单片机为控制核心，采用16路动态扫描方式进行显示的LED大屏幕显示系统的设计方案。采用大功率三极管TIP127进行行驱动，提高了亮度。单片机通过读取外部总线数据，可实现与上位机协同工作，也可以脱离上位机独立工作。高速的单片机系统可显示图象、文字、数字等多种内容，并且通过优化算法实现了上下左右移动，以及百叶窗等特殊效果。-To Silicon Laboratories, C8051F230 microcontroller to control the core, using 16-way dynamic scan mode to display the LED large screen display system design. Carried out using high-power transistor TIP127 line drive to improve the brightness. MCU by reading the external bus data can be realized with the host computer to work, you can also work independently from the host computer. High-speed microcontroller system can display images, text, numbers, and other content, and by optimizing the algorithm of the up and down and move around, as well as blinds and other special effects.

16位10进制除法程序，KEIL51编写，适合单片机运算-16 10 M division procedures, KEIL51 prepared for single-chip computing

ARM入门初级基础,主要对ARM 学习有个初步了解和认识,即使没接触过单片机的人也可以轻松学习-ARM entry-primary basis, mainly on the ARM to have a preliminary understanding of learning and understanding, even if did not come into contact with SCM can easily learn

8279初始化以程序，键盘处理程序以及显示子程序-8279 initialization procedure, keyboard and display processing subroutine