Design Notes
Prototyping products for inventors, industry, hobbyists,
and students
1-800-957-6867
Inventors Digest
The magazine for idea people
617-367-4540
Advanced
Circuits
For high quality quickturn printed circuit boards
Toll Free- 1.800.979.4PCB
Battery packs, batteries, and chargers
Advanced Battery Systems specializes in manufacturing
custom batteries and battery packs for industrial and commercial
applications