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非接触式IC卡开发板源代码，可应用于电子通信领域(Non-contact IC card development board source code)

基于STC89C51RC的水平倾角XYZ检测仪(Horizontal dip XYZ detector STC89C51RC)

说明：  本课题对基于单片机的交通灯控制系统进行设计。以MCS-51系列单片机为控制核心，设计并制作交通灯控制系统，用于十字路口的车辆及行人的交通管理。东西南北四个路口具有左拐、右拐、直行及行人4种通行指示灯，并分别用计时器显示路口通行转换剩余时间，在特种车辆如119、120通过路口时，系统可自动转为特种车辆放行，其他车辆禁止通行状态。(Traffic light control system based on SCM (Single Chip Microcomputer) is designed in this paper. System requires that MCS-51 series SCM is used as CPU. Traffic light control system should be designed and made .There are four groups light which indicate to turn left, turn right, and go straight ahead and pedestrian access in east, west, north and south four directions. Timer shows traffic conversion remainder time. When special vehicles, such as 119,120 go through, the system can automatically allow special vehicles running and other vehicles is prohibited.)

lpc1788-1_2_led_systick 例程描述： 本例程使用 Systick 实现流水灯。 操作过程： 将代码运行即可，开发板上四个 LED 灯呈现流水灯模式闪烁。 (Lpc1788-1_2_led_systick Routine Description:   This routine uses Systick to realize the water lamp. Operation process:   The code can run, the development board four LED lights show water lights flashing mode.)

C51 编的音乐程序，关于如何编制音乐代码, 其实十分简单，频率常数即音乐术语中的音调,而节拍常数即音乐术语中的多少拍(C51 music program)

simplis的学习资料，里面包含了很多实际的设计实例，希望对大家的学习有些帮助……(simplis learning materials, which contains a lot of practical design examples, we want to study some help ... ...)

SD绝密资料，我发钱从网上买来的。绝对经典，设计sd卡编程介绍和分析。(SD top-secret information, I sent the money bought from the Internet. Absolute classic, the design description and analysis of sd card programming.)

说明：  max30100 stm32 驱动参考例程(Max30100stm32 Driver Reference Routine)

利用增量式PID算法来控制直流电机稳定启动。能够快速调整外界干扰，使电机稳定在设定的速度。(Using the incremental PID algorithm to control the stable dc motor start. Can quickly adjust interference, make the speed of the motor stability in setting. )

STM32F103实现BLDC调速，此代码可以实现BLC和PMSM开环的控制(STM32F103 realizes BLDC speed regulation. This code can realize open-loop control of BLC and PMSM.)