基于keilc软件的lcd显示（包括按键扫描）

protel快捷键.提高protel布线速度的好资料-Protel shortcuts. Protel Cabling improve the speed of a good information

This small utility helps to generate seven segment display codes for different I/O connections. For example, AVR/PIC Port A.0 -> D Segment Port A.1 -> B Segment .... Also it can generate Common Cathode or Common Anode table codes.. I Coded it long time ago. I Hope help someone. Thank you

飞利浦提供的I2C参考程序。共P87C591使用。-provided by the Philips I2C reference program. A total of P87C591 use.

MCS-51智能反编译器。可将51单片机的bin或hex文件反编译为汇编码。仅用于学习用途，否则后果自负。-MCS-51 Intelligent compiler. May 51 SCM bin hex or documents compiled for the Department of Anti-coding. For learning purposes only, otherwise the consequences conceited.

C8051F040 t3可调频率方波输出例程-C8051F040 adjustable frequency square-wave output routines

这是温度传感器PT100的使用心得，希望对大家有所用。-PT100 temperature sensor which is the use of experience, I hope with all of you.

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路 以下是TI_5-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board is less detours following TI_5

PWM逆变模型，可以观察逆变波形以及控制信号 波形，适合初学者使用-PWM inverter model, can be observed as well as the inverter waveform control signal waveform, suitable for beginners to use

控制步进电机正转，如：p3.2正转,p3.3反转,p3.4停止 步进电机接p1.0p1.1p1.2p1.3，正转，反转各3圈，正反快慢功能，是步进机的经典程序。-Stepper motor control is transferred, such as: p3.2 is transferred, p3.3 inversion, p3.4 stop stepper motor then p1.0p1.1p1.2p1.3, is turn, reversal of the 3 lap, both positive and negative speed function, is a classic step process machine.

8051控制硬盘驱动-8051 control drives