based on the C51 MP3 schematics. Students do for a long time. Within circuit. Fo...

常用数据库包（pcb）组件。。。。。。。。。。。。。。。。。。

使用汇编语言的89C2051键盘输入程序源码-The use of assembly language program the 89C2051 keyboard input source

2个F040之间的CAN通讯，可以远程帧收发，c语言-2 of the CAN communication between the F040, you can send and receive remote frames, c language

read and write eeprom,at24c512.debug finished pass.

触摸屏设计开发详细资料以及参看设计电路板图-Touch-screen design and development of detailed information and refer to design the circuit board diagram

该设备是一款基于AVR mega16L单片机的电子书阅读器，它除具有传统的阅读电子资源功能外，还能通过PS2接口与PC键盘连接，使用普通PC键盘输入信息，进行文本录入；使用LCD12864液晶作为显示器，它还可以用VB专门为之编写的下载软件通过串口下载TXT格式的文本资源。电子书资源存储在AVR公司生产的AT45DB021B闪速存储器，它有2M存储空间，可满足一般用户需要，当然也可升级为大容量存储器。 该设备功能强大，将电子书阅读器发挥到了极致，能满足用户特殊需要。 -The device is a single chip based on the AVR mega16L e-book reader, which in addition to the traditional functions of reading electronic resources, but also through the PS2 interface to connect with the PC keyboard, use an ordinary PC keyboard input information, the text input use LCD12864 LCD as a display, it can be prepared by specialized VB download software through the serial port to download TXT format text resources. E-book resources are stored in the AVR produced AT45DB021B flash memory, it has 2M storage space to meet the needs of general users, of course, can also be upgraded to a large-capacity memory. The device is powerful and will play an eBook reader to the extreme, and to meet the special needs of users.

RTL8100 10M-100M自适应以太网芯片-two 10M-100M adaptive Ethernet chip

蜂鸣器报警程序 功能：蜂鸣器模拟报警器发出报警声音 用C语言编写的-Buzzer alarm program features: analog alarm buzzer alarm sounds written with C language

直接频率合成仿真源程序,希望有人能用到.-Direct frequency synthesizer simulation source code, hope someone can use to.

基于msp430的输出乐音系统。开发环境iar3.40。-Controller Based on the output of music system. Iar3.40 development environment.