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NI leverages commercial technologies, such as industry-standard computers and the Internet, to deliver customer-defined automation, test and measurement hardware and software solutions for engineers and scientists.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Sealevel Systems provides serial and digital I/O solutions including RS-232, RS-422, and RS-485 PCI, Low Profile/Universal Bus PCI, PC/104, PCMCIA, USB, and Ethernet serial products. Digital I/O products include PCI, PC/104, USB, Ethernet (Modbus/TC...

Personal Database Applications, Inc. -- Web Hosting, Consulting, Ham Radio Software,Ham Radio Hardware Interfaces

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LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

US Converters are experts in serial data applications and supply USB Serial Adapter, RS232 to RS485 Converter, RS232 to RS422, USB to RS485, USB to RS422, Serial PCI, PCMCIA, Serial Wireless, Serial Bluetooth and serial Ethernet Products.

Digi International is the leader in device networking for business. We develop reliable products and technologies that enable you to connect and securely manage local or remote electronic devices over the network or via the web.

Your source for process measurement and control. Everything from thermocouples to chart recorders and beyond. Temperature, flow and level, data acquisition, recorders and more.

David D. Scribner - IT Consultant & Services: Your source for IT consulting and services priced right for small to mid-size businesses!

Benchmark and burn in test software to evaluate the performance of your PC computer hardware. USB serial and parallel loop back plugs. Video, disk, battery and modem performance and reliability testing. We also provide quality software customization ...