HEATKEYS

EDN: Information, News, & Business Strategy for Electronics Design EngineersEDN.com is a comprehensive information source for the EOEM (electronics original equipment manufacturer) segment, providing in-depth technical information for electronics...

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

DAQARTA (Data AcQuisition And Real-Time Analysis) software turns your Windows sound card into a full-featured big-screen oscilloscope, FFT spectrum analyzer (with color spectrograms), signal averager, frequency counter, voltmeter, and sound level met...

DX Zone directory with 15000 Amateur Radio links, about Ham-Radio radio scanning, cb radio and shortwave listening, antenna homebrew projects and a complete radio software collection. Include a free classified ads, ham radio reviews and operators di...

We offer PC/Pocket PC based virtual instrument for electronics enthusiasts, students and professionals, including full-fledged sound card real time Oscilloscope, Spectrum Analyzer and Signal Generator. Download and try

A help and support forum for Ubuntu Linux.

B&K Precision offers a wide range instruments including Power Supplies, Function Generators, Multimeters, DMM, Oscilloscopes, and more.

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.

Wavesmith analog waveform development system lets you design arbitrary electronic test waveforms. View data sheet and download free demo version. Also download free SoundArb -- makes PC sound card work like a function generator.