Calculation of a matrix in the Su

介绍了一种用单片机io口模拟实现串口功能的方法，并提供了简单的实现方法-introduced a microcontroller with io I Serial functional simulation methods, and to provide a simple method

８９Ｃ２０５１控制的智能密码锁,4*4键盘控制.-89C2051 control of the intelligent password lock, 4* 4 keyboard control.

sja1000与串口通信的程序，用串口通信助手可观察结果-SJA1000 with serial communication procedures, using serial communication assistant can be observed

8051 编写的源程序-8051 prepared by the source

CDLEA.hex CDLEA_Main.c CDLEA.hex为已编译的红外遥控音源切换器的单片机程序 CDLEA_Main.c为源代码 CDLEB.hex CDLEB_Main.c CDLEB.hex为已编译的加强版的红外遥控音源切换器的单片机程序 　　有红外遥控PC功能,PC软件可使用Grider3.2(SAA3010T电视遥控器) 　　Grider3.2可到http://cdle.yeah.net下载 CDLE_A410.exe 为红外遥控音源切换器的ＰＣ应用软件。-CDLEA.hex CDLEA_Main.c CDLEA.hex compiled for the red outside sources of remote switching of SCM CDLEA_Main.c procedures for the C source code CDLEB.hex DLEB_Main.c CDLEB.hex compiled for the enhanced version of the infrared remote control sources of the single switches machine procedures with infrared remote control PC functions, PC software can be used Grider3.2 (SAA3010T TV remote control) Grider3 .2 can http :// cdle.yeah.net download CDLE_A410.exe sources of infrared remote control switches the PC application software.

环境测试仪的设计。该计环境测量系统能够充分发挥人性化的特质，利用SPCE061A的语音功能，配合传感器模组，实现带语音播报功能的环境测试。-Environment tester design. The measurement system of the environment can give full play to human characteristics, the use of SPCE061A voice functions, with the sensor module, realize voice broadcast function with environmental testing.

单片机与其它仪表之间modbus通讯协议,用c语言编写-Single-chip with other Modbus communication protocol between the meter, using c language

通过控制步进电机的驱动板来控制步进电机实现阀门流量的恒定，可作为反馈系统的参考-By controlling the stepper motor driver board to control the stepper motor to achieve a constant flow valve can be used as a reference feedback system

程序的源码及电路图都含其中，希望能对单片机开发者有用-Procedures have included source code and circuit diagrams in which the hope of useful single-chip developer

AVR单片机程序――DDS扫频程序（1）――ad9850.c -AVR Singlechip procedures- DDS Sweep procedures (1)- ad9850. C