单片机4*4键盘与LED数码管的显示，按下键盘显示相应的字符（1，2，3...A，B...E）...

详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点，以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as practice in the products sum up the experience, know-how

该程序为基于51单片机的步进电机控制程序，经调试可行-51 microcontroller-based stepper motor control procedures, testing feasible

c8051f020键盘和显示器源码，用hd7129来驱动-C8051f020 keyboard and display the source code used to drive hd7129

51单片机及其C语言程序开发实例第6章节-51 SCM and its C language programming examples of the first 6 chapters

Coupled Microstrip 耦合微带线

基于at89c2051的方波发生器，MAIN: MOV SP,#60H 设置SP指针 MOV R0,#50H 显示缓冲区首地址时50H ML0: CLR A MOV @R0,A 显示缓冲区清零 INC R0 CJNE R0,#55H,ML0-AT89C2051 based on the square-wave generator, MAIN: MOV SP,# 60H Set SP pointer MOV R0,# 50H shows that the first address buffer 50HML0: CLR A MOV @ R0, A display buffer cleared INC R0 CJNE R0,# 55H, ML0

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Small Device C Compiler 面向Inter8051，Zilog Z80,Dallas 80C390,Motorola HC80等系列单片机的开源C编译器，针对上述产品进行了优化--Small Device C Compiler. It is an open source C compiler for Inter8051, Zilog Z80, Dallas 80C390, Motorolas HC80 and other SCMs.

用winband78e58 对422通讯操作，422通讯作为工业常用的串行通讯协议，使用广泛-with winband78e58 communications operation of 422, 422 communications industry as a common serial communication protocol, widely used

SPI接口型E2PROM内部存储器的组织及读.写控制方法.-SPI Interface-type E2PROM internal memory of the organization and read. Write control methods.