51单片机写得MODBUS协议程序，可以实现寄存器得读写等操作

凌阳061a单片机的中断使用例程。包括外部中断例子-Sunplus 061A MCU interrupt routine use. Including external interrupt example

12887的初始化程序――89C51，有助于各位使用12c887芯片！大大加快开发进度！-12,887 initialization procedures-- 89C51 help you use 12c887 chip! Progress greatly accelerated development!

MAX7219驱动例程，工程内还有DS1302等驱动代码，是学习写驱动不错的工程。-MAX7219-driven routines, engineering, etc. There are DS1302 driver code, is to learn to write good works driver.

设计分为5 个模块：前轮PWM 驱动电路、后轮PWM 驱动电路、轨迹探测 模块、障碍物探测模块、光源探测模块。前轮PWM 驱动电路用于转向控制；后 轮PWM 驱动电路用于方向和速度控制；-Design is divided into five modules: front-wheel drive PWM circuit, rear-wheel drive PWM circuit, the track detection module, obstacle detection module, detecting the light source module. PWM drive circuit for front-wheel steering control rear-wheel drive circuit for PWM direction and speed control

航天金卡的资料，全中文的。 资料名称：FM1702中文使用说明书 内容简介：FM1702/1704/1705 通用读卡机芯片

单片机c语言教程 呵呵 早就下的了 不错了-SCM c language tutorial He He already has pretty good under the

ATMEL公司的AT89系列单片机的资料，不用我多说了吧：）-ATMEL"s AT89 Series MCU information, I need not say it :)

单片机时钟代码， 单片机时钟代码-mcu clock code

在PIC上使用5个口线产生DTMF信号-use five lines I have DTMF signals

该程序用于控制电机的速度,通过占空比PWM来实现该功能.-The program used to control motor speed and PWM duty cycle to achieve through this feature.