很强大，很完整的，在单片机控制LED显示屏上玩俄罗斯方块

IRQ4中断有三个中断源：1KHz、2Kz和4KHz,每一个中断分别控制与IOA0-IOA1,IOA2-IOA3和IOA4-IOA7相连的LED灯-IRQ4 interrupt has three interrupt sources: 1KHz, 2Kz and 4KHz, each interruption of the respective control and IOA0-IOA1, IOA2-IOA3 and IOA4-IOA7 connected LED lights

功能完善的四层电梯程序。开门停8秒，上升或者下降一层用时5秒，有五秒倒计时数码管，楼层显示数码管，以及电梯内外楼层请求显示灯。-A well-functioning procedures for four-storey elevator. 8 seconds to open the door stopped, increased or decreased when a layer of 5 seconds, the 5 seconds countdown digital tube, digital tube display floor, as well as inside and outside the elevator floor indicator lights request.

标准frescale单片机的I2C总线程序-frescale MCU standard I2C bus procedures

6-leddisplay.rar

用c51编的 键盘输入的乘法运算，增加语句可以增加功能-C51 series with the keyboard input of the multiplication to increase the sentence can increase the functional

c8051-nrf2401 测试程序 发送部分-NRF2401_receive2 c8051f330

本代码是无线遥控中常用的pt2272模块的主控单片机代码，实现了编址发送功能。-the wireless remote control code is used in the main control module pt2272 microcontroller code, Implementation of the address this function.

温度控制识别 温度控制识别 -fjdkjafkljdljalfld

实现公历与农历的转换一般采用查表法按日查表是速度最快的方法但51 单片机寻址能力有限不可能采用 按日查表的方法除按日查外我们可以通过按月查表和按年查表的方法再通过适当的计算来确定公历日所对应的 农历日期本文采用的是按年查表法最大限度地减少表格所占的程序空间-Limited can not be used In addition to a daily look-up table method of daily things that we can search through monthly and annual look-up table look-up table method and through the appropriate calculations to determine the calendar day corresponding to the Lunar date of this paper is the annual table look-up table method to minimize the space occupied by program

SPMC75F2413A单片机在AC变频空调中的应用-Singlechip SPMC75F2413A in AC inverter air conditioner application