使用三星ARM7S3C44b0控制SL811HS芯片实现U盘的识别和读写。-Samsung ARM7S3C44b0 control using U disk SL811HS chip identification, reading and writing.

bit segmentation in wide division code multiple ace-bit segmentation in wide division code multiple acess

基于linux系统的IO内存访问底层硬件的驱动程序。实验现象是LED灯亮。所以也是LED驱动程序。不是调用函数接口-IO memory based on the Linux system to access the underlying hardware driver. The experimental phenomena are LED lights. LED driver. Instead of calling the function interface

门禁控制系统，ATMEL 单片机实现，包含原理图（控制部分，射频部分，电源部分），控制代码程序。-Access control systems, ATMEL MCU, including schematics (control section, the RF section, power section), program control code.