51单片机三首歌播放原代码

C8051F04x单片机SMBUS的应用。-C8051F04x Singlechip SMbus applications.

三相步进电机的三相六拍工作方式，正转的绕组通电顺序：A、AB、B、BC、C、CA、A，反转的通电顺序：A、AC、C、CB、B、BA、B、A。 由于步进电机转子有一定的惯性以及所带负载的惯性，故步进电机的工作过程中不能及时的启动和停止，在启动时应慢慢的加速到预定速度，在停止前应逐渐减速到停止，否则，将产生失步现象。 步进电机的控制问题可总结为两点： 1、产生工作方式需要的时序脉冲； 2、控制步进电机的速度，使它始终遵循加速、匀速、减速的规律工作。 -Three-phase three-phase stepper motor six shot work, is to order the winding power: A, AB, B, BC, C, CA, A, reverse the order of power: A, AC, C, CB, B, BA, B, A. As the stepper motor rotor has a certain degree of inertia, as well as brought about by the inertia load, the stepper motor during the course of work should not start and stop time, start to be slowly accelerated to a predetermined speed, the stop should be to slow down gradually to the stop, otherwise, will result in out-of-step phenomenon. Stepper motor control problems can be summarized in two points: one, resulting in the need to work the timing pulse 2, control the speed of stepper motor, so that it always followed acceleration, velocity, deceleration of the law of the work.

一个CPU卡读卡器源代码，接口全部由单片机IO模拟实现，成本极低-a CPU card reader source code, microcontroller interface all IO simulation, low cost

S08系列单片机AW32的Flash擦写程序，在CodeWarrior变异环境下开发，并附有一个ppt教程-S07 Series MCU AW32 Flash Erasable procedures, Variation in the CodeWarrior development environment, together with a guide ppt

各位朋友，本人买的12864液晶屏已经调试通过，下面是源程序，无偿奉献，有需要的赶快下啊，这可花了我一个星期啊(jjcool)-friends, I bought the 12864 debug screen has passed, Below are the source, with the dedication that are needed quickly under ah, it could take me a week ah (jjcool)

一款用EM78P153S做的433MHZ遥控代码，数据格式自定义。-RF REMOTE CODE（RF 433MHZ COMMUNICATION）

有学习单片机的可以下下 17种使用小软件这时其2-RUANJIAN

适用于图像快速显示的TFT控制器资料(包含源码与彩屏型号说明) 是彩屏示波器/信号源的理想选择. 公司内部资料.-Applied to image fast TFT display controller information (including source code and color type description) is a color oscilloscope/signal generator an ideal choice. Company information.

本文介绍了液晶显示模块LCM12832ZK与飞利浦80C552单片机的接口应用-This paper introduces the liquid crystal display module LCM12832ZK with Philips 80C552 MCU Application

LPC2368 USBHID例程，加以详细的注释，可以方便有需要的朋友-LPC2368 USBHID routines, to be detailed in the Notes, to facilitate a friend in need