用单片机 AVR mega48来模拟usb 很好的通讯方案

从51单片机控制液晶显示并且集成继电器控制，键盘扫描等模块！-From 51 single-chip control of liquid crystal display and integrated relay control module scans the keyboard!

大容量FLASH存储器29C040的C51读写程序 -large-capacity flash memory reader 29C040 the procedures C51

利用MODEM实现单片机与PC通信-use MODEM SCM and PC communication

基于状态机的SAA3010红外遥控接收程序-state machine based on the SAA3010 infrared remote control procedures

单片机常用芯片和器件手册，介绍了与MS－51相关的常用芯片和器件。-Single-chip microcomputer chips and devices commonly used manual introduction with MS-51-related chips and devices commonly used.

LT_1B msp430开发板例子程序－TA_16

16*16点阵汉字显示，非常简单，应该是简明-16* 16 dot matrix Chinese character display

MEGA16的小车沿黑线行驶程序，能够控制程控小车沿规定路线自行行使。-MEGA16 the black car along the lane, it will be programmed control along the trolley line provides free exercise.

使用国产CH341A芯片实现USB转串口，完全兼容AVR JTAGICE，可以自动升级。 支持芯片: ATmega16(L), ATmega162(L), ATmega169(L or V), ATmega32(L), ATmega323(L), ATmega64(L), ATmega128(L). 原理图还附加了RS232接口，可以方便用户自主选择串口或USB下载程序。 还附加有可自动升级的HEX文件-The use of domestically produced CH341A chip USB to serial port, fully compatible with the AVR JTAGICE, can be automatically upgraded. Support chips: ATmega16 (L), ATmega162 (L), ATmega169 (L or V), ATmega32 (L), ATmega323 (L), ATmega64 (L), ATmega128 (L). Schematics also added a RS232 interface, can easily users to choose the serial or USB download. Additional there is also automatically upgrade the HEX file

单片机控制语音芯片ISD1420的汇编程序，无误-Voice chip ISD1420 single-chip microcomputer to control the compilation process, correct