这是一个tcp 的client 源程序,可以在单片机测试时使用.

单片机的简单的串口通信测试程序单片机的简单的串口通信测试程序

简易数字电压表的设计,利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。-Simple digital voltage meter design, the use of single-chip AT89S51 with ADC0809 to design a digital voltage meter, capable of measuring between 0-5V DC voltage value, four digital display, but requires the use of minimum number of components.

80C51系列单片机汇编语言设计教程-80C51 microcontroller series Language Design Guide Series

非接触式IC卡程序样例2-non-contact IC card Example 2

msp430f169模拟spi方式驱动ad7705-msp430f169 simulated spi mode driver ad7705

IC卡操作软件:AT88SCl604芯片的操作模式有五种。它们是通过配PGM、RST、CLK等引脚信号及内部地址计数器(IAC)的状态组合来实现。 (1) 芯片复位操作： AT88SCl604有两种复位方式:上电复位和控制复位。 上电复位： 上电复位是当芯片加电时的最初状态。上电复位属于芯片 内部复位。它将使芯片内部所有的隐含标志复位到"0"状态。并使地址计数器复位到0位。 控制复位： 当CLK为低时，在RST脚上的一个下降沿将便芯片产生复位操作。 控制复位是将地址计数器复位到0位，而不影响任何内部标志的状态。-IC Card operating software : AT88SCl604 chip mode of operation there are five. They are allocated by PGM, RST, etc. pin CLK signal and the internal address counter (IAC) portfolio of the state is to be achieved. (1) chip reset operation : reduction AT88SCl604 two ways : power-on reset and reset control. Power-on reset : power-on reset when the chip is in power at the initial state. Power-on reset the internal chip is reset. It will enable all internal chip implied signs reset to "0" state. Make address counter reset to 0. Reset control : When the CLK for the low, the RST feet of a falling edge chips will have to reset operation. Reset control is to address counter reset to 0, without prejudice to any signs of internal sta

1.Ｋ１作为左转弯开关，Ｋ２作为右转弯开关。Ｌ１、Ｌ２作为左转弯灯，Ｌ５、Ｌ６作为右转弯灯。 2.程序实现的功能：向上打Ｋ１时左转弯灯以一定频率闪烁，打Ｋ２时右转弯灯以一定频率闪烁，Ｋ１、Ｋ２同时向上或向下，发光二极管灭。-1.K1 as a left turn switch, K2 as a switch and turn right. L1, L2 as a left turn lights, L5, L6 as lights and turn right. 2. Program features: K1 when the left turn up to fight a certain frequency of flashing lights, turn right when playing K2 to a certain frequency of flashing lights, K1, K2 upward or downward at the same time, anti-light-emitting diodes.

可用于任何单片机平台的I2C总线读写程序，IO脚模拟。-Single-chip platform can be used for any of the I2C bus to read and write procedures, IO pin analog.

2051控制两组LED交叉显示的99分定时器源代码。-2051 LED control groups showed the 99 cross-timer source code.