校园打铃系统，内带51单片机c语言程序和电路原理图以及PCB

C语言 端口控制和中断控制 数据的读取 控制电磁阀-KEIL C byte_read sector_erase unsigned char byte_program unsigned char byte_program_and_verify unsigned char Compare

51系列单片机指令列表，非常详细，对新手有帮助，-51 Series MCU instructions list is very detailed and helpful to newcomers,

keil软件补丁，用于在keil软件中增加stc库选项。-keil software patches, for an increase in the keil software stc library option.

LC72131完整程序，朋友刚刚给我就提供给朋友参考-LC72131 complete procedure, a friend just gave me a reference on the provision to a friend

用8051驱动240*128液晶的C51程序，控制器为T6963，由于代码比较大，试验时请用52 本程序移植性较好，已成功移植到MSP430上-8051 with 240* 128 LCD drive the C51 procedure, the controller for the T6963, as a result of relatively large code, test when you use 52 transplant procedures better, have been successfully transplanted into MSP430 on

三菱16位单片机M306N0系列，A/D转换驱动源码。-Mitsubishi 16-bit microcontroller M306N0 series, A/D converter driver source.

寻迹小车，含详细的注释。1、电机有良好的驱动特性，可正、反转动，且转动平稳、有力；2、可靠的获取转速反馈信号；3、根据反馈信号使用有效的控制策略使电机达到所需的转速；4、利用码盘的反馈信号控制行走距离；5、 可以根据命令实现电机的特殊运行状态：刹车、惰行。-Tracing car, with detailed notes. 1, the electrical drive has good features, can be positive and negative rotation, and rotation smooth, powerful 2, reliable access to speed feedback signal 3, according to feedback signal to control the use of effective strategies to achieve the required motor speed 4, the use of encoder feedback signal control walking distance 5, can realize under the command of the special motor running: brakes, Inerting line.

这个SP2358外扩串口芯片的C语言源程序。非好好用。-Extend outside the SP2358 chip serial C language source code. Non-properly used.

内含各国最基础的电路图,并做了详细的说明,对做底层开发的人员很有用.-States containing the most basic circuit diagram, and to do such a detailed description of the development on the ground floor to do the personnel very useful.

介绍zlg7290的pdf，介绍得很详细，还有程序实例。-Introduction zlg7290 the pdf, very detailed introduction, there are instances.