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一个简单的进销存系统，用power builder编写，SQL数据库

Chipcon CC2420 reference design w/PA board rev B CC2420_w_PA_PCB.ZIP FABRICATION.PHO - fabrication drawing COPPER1.PHO - copper layer #1 (top side) COPPER2.PHO - copper layer #2 (inner ground plane) COPPER3.PHO - copper layer #3 (inner power plane) COPPER4.PHO - copper layer #4 (bottom side) TOPMAS ...

最新版的嵌入式bootloader源代码，可以轻松的在一周之内一直到各类MCU上，如MIPS，ARM7，ARM9，XScale，Power PC等平台。

为了广大“电子爱好者”网友需求，将PROTEL99SE软件制作印刷电路版*.DDB文件 转换成POWER PCB识别的*.PCB文件软件提供给你们。

Decoding most of the infrared signals can be easily handled by PIC16C5X microcontrollers. This application note describes how this decoding may be done. The only mandatory hardware for decoding IR signals is an infrared receiver. The use of two types is described here. Both are modular types used of ...

非常好的资料，包括44B0原理图和PCB，以及LCD调试程序，包括CPU,MEMORY,UART,USB,POWER模块，适合学习之用。

软件工程实验报告__信息管理系统需求分析与数据库设计，使用工具：MS VISIO2003、Power Designer

Features &#8226 Compatible with MCS-51&reg Products &#8226 8K Bytes of In-System Programmable (ISP) Flash Memory – Endurance: 1000 Write/Erase Cycles &#8226 4.0V to 5.5V Operating Range &#8226 Fully Static Operation: 0 Hz to 33 MHz &#8226 Three-level Program Memory Lock &#8226 256 x 8-bit Internal ...

EasyD12动态连接库是Microsoft Windows的接口标准，流行的软件开发工具VC、VB、VF、Delphi、C++ Builder、Power Builder 等均可使用。用户可以选用自己喜爱的工具轻松搞定USB开发。其中包含2个版本DLL，根据情况自己选择。

光学设计软件zemax源码： This DLL models an nular aspheric surface as described in: "Annular surfaces in annular field systems" By Jose M. Sasian Opt. eng. 36 (12) P 3401-3401 December 1997 This surface is essentially an odd aspheric surface with an offset in the aspheric terms. The sag is given b ...