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The 89C51 PABX 22 Dec 2012 | 03:52 am
Introduction This project is basically an eight line intercom from which you can call 1 to 8 number. This system also support dialing and receiving telephone calls. Figure 1: Block Diagram of the ...
Video Converter All in one 25 Aug 2012 | 09:14 am
4Videosoft Video Converter Platinum Product ID: 3122342 Price: 31.81 EUR Vendor Name: 4Videosoft Studio Website: 4videosoft.com Last Update: 24 Apr 2012 Category: Audio & Video 4Videosoft ...
Circuit Falcom FSA03 Smart Antenna with uBlox 5 GPS Chipset 2 Aug 2012 | 10:39 pm
The Falcom FSA03 GPS module is an extremely cost effective GPS solution for embedded systems. Retailing for about $50 USD in small quantities, the FSA03 includes an uBlox 5 single chip GPS module inte...
Article USB in a NutShell Part 4 2 Aug 2012 | 09:36 pm
USB Descriptors All USB devices have a hierarchy of descriptors which describe to the host information such as what the device is, who makes it, what version of USB it supports, how many ways it can ...
Article USB in a NutShell Part 1 2 Aug 2012 | 09:16 pm
Making sense of the USB standard Starting out new with USB can be quite daunting. With the USB 2.0 specification at 650 pages one could easily be put off just by the sheer size of the standard. This i...
Digital Image Sensors With CMOS 2 Aug 2012 | 07:50 pm
Adding vision to your projects needs not be a difficult task. Whether its machine vision for robot control or the sampling and storage of images for security, CMOS images sensors can offer many adva...
Article USB in a NutShell Part 5 2 Aug 2012 | 06:41 pm
Every USB device must respond to setup packets on the default pipe. The setup packets are used for detection and configuration of the device and carry out common functions such as setting the USB dev...
Article USB in a NutShell Part 4 2 Aug 2012 | 06:33 pm
Endpoint Types The Universal Serial Bus specification defines four transfer/endpoint types, Control Transfers Interrupt Transfers Isochronous Transfers Bulk Transfers Control Transfers Control t...
Article USB in a NutShell Part 3 2 Aug 2012 | 06:26 pm
USB Protocols Unlike RS-232 and similar serial interfaces where the format of data being sent is not defined, USB is made up of several layers of protocols. While this sounds complicated, don’t give u...
Article USB in a NutShell Part 2 2 Aug 2012 | 06:24 pm
Connectors All devices have an upstream connection to the host and all hosts have a downstream connection to the device. Upstream and downstream connectors are not mechanically interchangeable, thus e...
