基于sl1811芯片的功能，完成usb host 的功能-usb host

自己写的测试串口的小工具，巨好用！他可以完成十六进制和字符同时显示-himself wrote the serial testing of small tools, giant handy! He can be completed hexadecimal characters and shows

20ma的电流环通信回路仍应用于一些远程通信的场合，本文为其实现过程。-20ma current loop

S3C2450_51_16的PCB布线文档，做板子的要看看啦-S3C2450_51_16 the PCB layout files, do the board" s look at看啦

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路这里是第二个TI-2-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board less detours here is the second TI-2

Microchip Technology Inc. 的HCS300 是一款跳码编码 器，它是专为安防遥控无钥门禁（RKE）系统而设计 的。 HCS300使用KEELOQ跳码技术，并具有安全性高、 封装尺寸小和成本低等特性。 HCS300 是单向遥控无钥 门禁系统和访问控制系统最完美的解决方案。-The HCS300 from Microchip Technology Inc. is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS300 utilizes the KEELOQ code hopping technology, incorporating high security, a small package outline and low cost. The HCS300 is a perfect solution for unidirectional remote keyless entry systems and access control systems.via any external connection. The EEPROM data is pro-grammable but read-protected. 2006 Microchip Technology Inc.

TONG GUO TONG GUOT-Nov. 81st Nov. GUOT

8051的测控问题分析，有A/D、D/A、开关量接口-8051 Analysis of the telemetry, A/D, D/A, Switch Interface

lcd12864 带字库的驱动程序 不看后悔-lcd12864 with a font driver Bukanhouhui

提供三片CS5463、一片CS5460A 电压数据采集和标定、温度和直流量的AD接口 -To provide three CS5463, a CS5460A-voltage data acquisition and calibration, temperature, and direct flow of AD Interface