HEATKEYS

Schematic diagrams, circuits & projects for guitar effects pedals with vacuum tubes and transistor solid state electronics. FREE downloads of schematics such as TS-9, Fuzz Face and other classic rock devices. Build your own fuzz box!

Specializes in Antique Radio Schematics, Capacitors and Resistors. Carries antique radio schematic diagrams and electronic circuit service information for American, Canadian and European antique radios.

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

The Calculator Home Page has free resources, calculator software downloads, calculate online, units conversions, physical properties and constants, and help.

Electronic Tutorials, Electronic Project Kits, Robotics Guide for Students, Amateur and Professionals. Computer Architecture and Digital Circuits.

Amplified Parts was created to serve musicians looking to customize their sound or simply fix their guitar and amplifier.

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

Study about electricity, basic electronic, example and equation

Learn how to make modifications to your electric guitar so that it will have more tonal options. Listen to audio examples and look at tons of pictures of popular guitar mods.