全国飞思卡尔智能车大赛中，关于pwm方面的源代码

用51单片机实现简单的音乐播放生日快乐歌。-51 MCU with a simple music player, a happy birthday song.

单片机发声实例,给需要的朋友-SCM audible example, to a friend in need

超声波测距,包括有pcb原理图，用c写的程序，还有详细的说明-Ultrasonic ranging, including schematics pcb with c written procedures, detailed instructions have

单片机proteus仿真，可以做成实例的仿真文件的-protues

spi设备uclinux驱动源代码，以及编译后的2进制文件。-spi-driven equipment Basis source code and compiled 229 of the two documents.

在凌阳61板上实验成功的电压表程序，有语音报值功能-Sunplus board in 61 successful experiments in voltage meter procedures, have reported that the value function of voice

51MCU在KEILUV3下开发的源代码，包括全部工程文件-51MCU in KEILUV3 developed source code, including all engineering documents

X5045 C51读写程序-X5045 C51 literacy procedures

不带字库12864液晶显示，51单片机控制-12864 fonts without LCD, 51 single-chip control

SIGMA-DELTA 原理 实现的用LPC900系列单片机的比较器实现16位A/D。 有详细的说明和源代码（汇编格式，但是可以在KEIL下的C中调用）。-SIGMA-DELTA principle achieved using the LPC900 Series compared to 16-bit A/D. A detailed description and the source code (the compilation format, but in the C KEIL Calling).