4x4键盘的程序，新思路，希望能对大家有所帮助。

upsd3300SPI程序代码,想用upsd3300做SPI接口应用的请下载-upsd3300SPI code, upsd3300 to do with SPI Interface Application Download

带模式选择的LED显示，初学者练手必备 欢迎交流-Mode selection with the LED display, beginners welcome the exchange of the necessary training in hand

本程序为应用在Arm7下的Ps2键盘接口程序。避免了因多中断而数据出现错误的情况-This procedure is used in ARM7 under the Ps2 keyboard interface program. To avoid interruption caused by more than the case of data error

TSLIB 2005年的CVS版本。用于Linux下触摸屏设备的驱动算法。-TSLIB 2005 years of CVS version. For Linux under the touch screen device driver algorithm.

开发板上跑的俄罗斯方块，有图片，源码。通过VGA接口输出。 -Development board to run the Russian box, has pictures, source code. Output through the VGA interface.

实现一个简单的电子钟的功能，可是显示时、份、秒，还能置位，恢复默认设置！是初学者的好帮手！-The realization of a simple function of the electronic bell, but displayed, were seconds, but also home, and to restore the default settings! Is a good helper for beginners!

用单片机产生Pwm来控制电机的硬件和软件设计，欢迎下载！-MCU Pwm to produce motor control hardware and software design, welcome to download!

led源程序，51负则led，然后编译发光二极管.asm摊位，本来会领一个走出黑暗的结果

自己改写的单片机pid程序，实用

8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD - Add Acc to DPTR, sets CYUTIL_ADCBAD - Add B/A to DPTR, sets CYUTIL_SUBBAD-8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD- Add Acc to DPTR, sets CYUTIL_ADCBAD- Add B/A to DPTR, sets CYUTIL_SUBBAD