A Practical Guide to dB Calculations
Basic article on how to convert and understand dB's. Helpful if you have forgotten a few things, or never learned in the first place!
The Hardware Book
Online Reference Manual for all sorts of cable pinouts, common OpAmp circuits, etc... Very Useful!
National Instruments Amplifier Construction
Neat online application that helps you design common op-amp circuits, they have a host of other design tools on their site...
Open Hardware source archive, database of many, many open source hardware projects and related software tools
Tool to test the validity of your CSS style sheet, useful in creating this page...
Silicon Sam's Technology Resource
Menu Link to all of Samuel M. Goldwasser's "Notes on the Troubleshooting and Repair of..."