串口扩展芯片，可以扩展单片机的串口，使单片机的串口由一个变为3个甚至更多，降低成本。...

关于msp430单片机的一些 自己收集的一些有需要的请下载-MSP430 MCU on some of his own collection of some of those in need, please download

SDU的字库，主要包垮一些程序代码，很好用的，希望对大家有用-SDU

c8051f340 silcon实验室i2c

LCD多级菜单具体实现,里面有程序，推荐下载-LCD concrete realization of multi-level menus, which are programs, recommended download

有关液体点滴控制的资料 方案论证及具体实现 电路图-The liquid drip proof control of the information program and the specific realization of circuit diagram

PC机和智能型仪表通过RS485进行同步通信-PC and intelligent instrument for synchronous communication through the RS485

35个51单片机使用的c51程序，在keil 环境下开发-35 51 Singlechip C51-use procedures, the development environment in keil

一些单片机适用小程序，用于单片机的控制，存储信息，LCD显示等相关源代码。-some small SCM application procedures for the MCU control, information storage, LCD display-related source code.

双龙电子的ICC AVR例程源码，写的比较简单容易懂，对初学者比较好。也可以参考。里面附带IIC，1602，UART等例子-Ssangyong Electronics ICC AVR routine source code, written in relatively simple and easy to understand for beginners better. Also can refer to. Inside with IIC, 1602, UART, etc. Examples of

51系列单片机读卡程序，本人亲测，适合考勤、门禁。-51 Series single-chip reader program, I pro-test for time and attendance, access control.