delabs Ingineering - Electronics Technology and Product Engineering. A part of delabs Technologies
Electronic Circuits and Schematic Diagrams contain the designs with some notes.
Solderman's Basic Electronics can help learn practical electronics and has Instrument Photos, Production, Testing and Calibration Documents. Hobby DIY Garage has many Do-It-Yourself Electronic Projects.
Circuits FAQ has Electronics Design Notes and Answers. delabs design devices and Schematics of delabs are a repository of my experience as a Product Designer and Manufacturer.