Engineer's Mini Notebook

Forest Mim's Engineer's Notebook

Optoelectronics Circuits

Digital Logic Circuits

555 Timer IC Circuits

Communications Projects

Op Amp IC Circuits

Basic Semiconductor Circuits

Schematic Symbols, Device Packages, Design and Testing

Magnet and Sensor Projects

Environmental Projects

Sensor Projects

Solar Cell Projects

Science Projects

Formulas Tables and Basic Circuits

Other sources:

http://depositfiles.com/files/406817
http://depositfiles.com/files/406829