modbusx协议仿真，研究好仪表Modbus

支持SD卡的MP3电路图,powerpcb4.0格式.使用AVR单片机-support the SD card MP3 circuit diagrams powerpcb4.0 format. Use AVR

AVR简单的串口程序，适合初学者学习，可以直接应用-AVR simple serial program, suitable for beginners to learn, can be applied directly

针对51核的实验程序，包括汇编语言核C语言，有交通灯，步进电机，滤波器等-against nuclear Experimental procedures, including nuclear assembly language C language, and traffic lights, stepper motors, filters, etc.

MSP430F413单相电表DEMO(编译器IAR 3.42A)-MSP430F413 single-phase meter DEMO (compiler IAR 3.42A)

ATMEGA128的SPI驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the SPI driver, port driver of their comrades in the preparation of great help!

我第一次从事这些活动,我不太明白您们说说的源代码是什么,上载课件可以吗?-The first time I engaged in these activities, I do not quite understand you talk about what is the source code, courseware can upload it?

关于MCU的调度器设计办法,在小型多任务系统中非常有效,如果大家想了解非常全面的内容可以参考-On the MCU scheduling design approach, in a small multi-mission system very effective, if the U.S. would like to know can be very comprehensive reference

P89C669存储实例: 说明： 1. inc 文件夹 是关于P89C669的头文件，在使用下面两个例子前，请首先将头文件拷到 ..KeilC51INC下. 2. Rom 文件夹 是关于P89C669的程序空间使用的例子，说明怎样利用大于64KB的程序空间。 3. Ram 文件夹 是关于P89C669的数据空间使用的例子，说明怎样在各个数据空间定义变量。 -P89C669 storage examples: Note: 1. Inc folder is on the first P89C669 documents, in the use of the following two examples, please first Kaodao header files .. KeilC51INC under .2. Rom folder P89C669 procedures on space use example of how to make use of the procedure is greater than 64KB of space. 3. Ram folder P89C669 data on space use examples to illustrate how the definition of data space in all variables.

红外线遥控编码芯片为uPD6121G(或者是 HT622、7461等芯片)为例来说明用单片机实现红外遥控解码的详细过程，琢磨这个解码程序花了相当多的精力，期间几经修改逐步完善，后来还用它开发了几个小产品，希望能对网友学习单片机有所帮助。-Infrared remote control encoder chip for uPD6121G (or HT622, 7461, such as chips) as an example to illustrate the realization of infrared remote control with single-chip decoding of the detailed process, improve the decoding process has spent a considerable amount of energy, several amendments to gradually improve during the later It also developed several products, hope that can help users to learn single-chip microcomputer.

c8051f020的fyd12864 c程序 keilc-C8051F020 s fyd12864 c procedures keilc