IA4421 module using a wireless transceiver, microcontroller. Sending and receivi...

本书详细介绍了KEIL C51编译器的使用，是学习单片机的好书。-The book detailed the KEIL C51 compiler use, is to learn from books SCM.

采用8位LED动态扫描时钟演示程序 使用12MHZ晶振，P0口输出段码，P2口作列扫描，用共阳LED数码管-Using 8-bit LED Dynamic scan demo program using the 12Mhz clock crystal, P0 port output above code, P2 I make out scanning, with a total of Yang LED digital tube

此文档是我生产实习的源码，开发环境是Keil51,使用的控制CPU是华邦系列单片机，功能是实现恒温箱的交互控制-This document is my internship source code, the development environment is Keil51, control the use of the CPU is Winbond series microcontroller, is functional incubators of interactive control

AD 转换 用定时器中断 显示 0--5V-AD0804 zhongduan xianshi

CS5532及cs5550的测试程序,包含器件校准,配置等-CS5532 and cs5550 test procedures, including calibration device, configuration, etc.

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.

延时采用指令延时的方法,通过改变系统时钟,改变延时的长短,用IOA口的低8位接的LED的闪烁显示出来-Delay the use of methods of instruction latency by changing the system clock, changing the length of delay, and low IOA I received 8 of the LED display flashes

本代码实现了卡式电话的功能,包括长话市话特话,警告,扣费等一系列功能-This code implements the cassette phone features, including special long-distance local call, then, warnings, chargeback and a series of functions

这里给出74hc595的c51驱动程序。带锁存功能的串入并出芯片。-Here are 74hc595 the C51 driver. With latch function and a string into the chip.

关于单片机（51系列）通过GPRS模块和上位机进行通信-on SCM (51) GPRS modules and PC communication