ATMEGA128 port test

用MATLAB写的电机调试用上位机，电机开发板通过串口上传电机数据给上位机，上位机将数据通过MATLAB GUI实时显示，用于调节电机PID参数可用于参考MATLAB串口通讯及GUI编程的基础例程。

单片机89c51按键控制蜂鸣器分别发出a r m f si li xi的音阶,献给刚学单片机的朋友-Buttons control the buzzer were issued for the armf si li xi of the scale, dedicated just learning MCU s friends

lwIP is a light-weight implementation of the TCP/IP protocol suite

详细介绍了FAT文件系统（包括FAT12,FAT16,FAT32），不知是哪位牛人写的电子书，非常经典，多亏了它，我才完成了FAT文件系统在ARM上的实现-Detailed the FAT file system (including FAT12, FAT16, FAT32), I do not know which cattle were written e-books, very classic, thanks to it, I finally completed the FAT file system on the ARM realize

Moto E2的键盘软锁v2源代码，使用qt，（0.02版sdk） 有附加说明，在linux下可以正常查看，在windows下可能会有部分乱码-err

AMI 主板的BIOS源码。-AMI motherboard BIOS source.

台湾联咏科技NT7553E液晶资料、驱动、工具等。-Taiwan LCD NT7553E Novatek information technology, drivers, tools and so on.

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

arm 44b0在uclinux上的ide驱动，可以用来驱动cf卡，-arm 44b0 Basis in the ide drive and can be used to drive cf card,

嵌入式GSM短信息接口的软硬件设计--Software and hardware design of embedded GSM short messaging port.