基于Proteus的交通灯控制系统，16×4×2LCD…

C8051F020单片机二十进制转换-C8051F020 two metric conversion

机器人小车控制，MCU，光电传感器 -Robot vehicle control, MCU, photoelectric sensor

SPI是一个环形总线结构，由ss（cs）、sck、sdi、sdo构成，其时序其实很简单，主要是在sck的控制下，两个双向移位寄存器进行数据交换。 假设下面的8位寄存器装的是待发送的数据10101010，上升沿发送、下降沿接收、高位先发送。 那么第一个上升沿来的时候 数据将会是sdo=1；寄存器=0101010x。下降沿到来的时候，sdi上的电平将所存到寄存器中去，那么这时寄存器=0101010sdi，这样在8个时钟脉冲以后，两个寄存器的内容互相交换一次。这样就完成里一个spi时序。 -SPI bus is a ring structure, by ss (cs), sck, sdi, sdo composition, its timing is actually very simple, mainly under the control of the sck and two bi-directional shift register for data exchange. Assuming the following 8-bit register is loaded to send the data to be 10,101,010, rising to send, receive falling edge, high first sent. Well, the first rising edge to the time data will be sdo = 1 register = 0101010x. Falling edge comes, sdi on the level will be stored to the register, then register at this time = 0101010sdi, so 8 clock pulse later, the contents of two registers to exchange time. This will be completed in a spi timing.

8279初始化以程序，键盘处理程序以及显示子程序-8279 initialization procedure, keyboard and display processing subroutine

你是单片机初学者吗？那一定很想有一些源程序和电路图指导你吧！？那就看看这个单片机实验用程序及原理图集吧-you SCM beginners? I certainly would like to have some source circuit and guidance you! ? Then look at the MCU experimental procedures and principles Atlas it

msp430的IIC地层驱动程序，直接应用，欢迎下栽-MSP430 formation of IIC driver, direct applications, welcome下栽

用单片机做的数字万年历，基于MAX12887数字时钟芯片和MAX7219芯片。-Done with single-chip digital calendar, digital clock MAX12887-based chip and MAX7219 chip.

PIC24单片机程序示例。 目前这方面的资料较少。自己先顶一下。-PIC24 Singlechip sample procedures. At present, less information in this regard. Their first top-click.

usb下载线，可以完全取代并口下载，为没有并口的笔记本提供方便。-usb download cable, you can completely replace the parallel port to download, there is no parallel port for the notebook with ease.