A Tutorial describes fundamental ideas of electro-technology and the general amplifier and audio technology. The test equipment gallery shows measuring instruments - older, historical and partly new.
Obsolete Test Equipment Gallery
The gallery shows measuring technique, with which electronics are developed. Some are special and classic devices, which are still in use and some already represent a historical value. Many of these devices have special functions, which are very popular. The side does not intend to show newest test equipment from the portfolio of the manufacturers (some devices excluded).
Hardware Book. Internet's largest free collection of connector
pinouts and cable descriptions. Connectors, Pinouts for connectors,
buses, Cables, How to build serial cables and many other cables.
Adapters How to build adapters. tables with info. like AWG.