环境：keil c51 I2C调度工具

freescale单片机HCS12对12864的驱动，能显示汉字，ASCII字符，以及绘图等。-Freescale HCS12 of 12864 single-chip driver, can display Chinese characters, ASCII characters, as well as graphics and so on.

c51MAX232通信子程序-c51MAX232 communications Subroutine

使用AMBE制作语音双工收发的程序，可附加NRF2401制作效果更佳-Produced using the AMBE voice duplex transceiver procedures may attach nRF2401 produced better

按键控制发光二极管熄灭，基于凌阳单片机开发 -Button control LED is off, Sunplus based on single-chip development

at89c5131 实现 mass storage 的源码.-AT89C5131 realize the source mass storage.

用c语言实现PID算法的程序，在PID算法的使用过程中十分有用，只要自己修改一下参数，即可用于不同的控制领域。-Used to achieve PID algorithm c language procedure, use of the PID algorithm process very useful, as long as their own tinkering parameters, can be used for different control.

很多的数字式传感器资料和程序，我相信很多朋友都需要它吧？？、-Many of the digital sensor data and procedures, I believe that many of my friends need it, right? ? ,

i2c程序，可以直接调用，用51单片机开发。-i2c procedures can be called directly, with 51 MCU Development.

MSP430单片机上的CH452键盘扫描程序-MSP430 the CH452 keyboard Scan