串口扩展,又一个UART扩张成为五个,GM8125驱动程序

利用ＺＬＧ／ＳＤ软件包以及串口间件，数据队列软件包，构造一个ＳＤ／ＭＭＣ卡读卡器．-Use ZLG/SD software packages as well as the serial inter-pieces, data queue package, construction of a SD/MMC card reader.

ARM7――lpc2148forSD卡的读写控制-ARM7- lpc2148forSD card read and write control

MAX1247子程序,实现12位高精度串行AD转换-MAX1247 subroutine, 12 realize high-precision serial AD converter

利用PWM产生高精度正弦波,从PWM引脚输出的脉冲信号经过简单的低通滤波后,可以得到平滑的正弦波,波的频率可以微调-produced using high-precision sine wave PWM, PWM output pin from the pulse signal through simple low-pass filter, can be smooth sine wave, the wave frequency can be fine-tuned

use for connection to enternet

12232液晶控制（sed1520）驱动程序-12232 LCD control (sed1520) driver

sd卡mp3官方pcb文件，protel格式-sd card mp3 official pcb file, protel format

温度传感器 DB18B20 单片机89c51-dddjanadadadszdaxca

在ADS编译环境以及keil-ARM这两种编译环境下通用的arm-core头文件，并用金鹏串行12864进行验证，用此arm-core开发程序可以不受编译器头文件缺少的限制-In the ADS environment and compiler keil-ARM compiler environment of these two common arm-core header files, and verify Jinpeng serial 12864, with the arm-core development programs can not be the first document of the lack of compiler restrictions

利用51单片机+sl811芯片实现对u盘的读写功能，代码为C++实现，可供大家参考使用-The use of 51 SCM+ Sl811 chip of u disk read and write functions, the symbol C++ Realize for U.S. use and reference