At dapj Tech you will find Tech Blogs related to Electronics Engineering, Hobby and Educational Resources too. 

Schematics of delabs - Circuit Diagrams, Design. 

Soldermans Basics - Tutorials, Theory, Notes.

You will also find web widgets related to learning electronics and also demonstrating the subtle aspects of Product Design Technologies.

dapj Tech

Product Engineering - Designing Electronic Products

EE Design Library - Electronic Product Design Resource.

Electronic Product Design

The above Tech Blogs link to many useful resources on EE.

Electronic Parts and Instruments 

delabs circuits
EE Websites

delabs Sections


I am an Electronics Product Design Engineer, I used to work in the R&D Areas, Designing Electronic Products. Then i had my own firm, manufacturing Instrumentation and Scientific Custom Equipment. 

The source code of the Web Widgets are here..

code of dapj -o- code of delabs