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Also see:
Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
PCB & Electronics Hobby Kits & Tools

All About Circuits
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
This site provides a series of online textbooks covering electricity and electronics. The information provided is great for both students and hobbyists who are looking to expand their knowledge in this field. These textbooks were written by Tony R. Kuphaldt and released under the Design Science License.

The AmpHour
CATEGORIES: Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
An off-the-cuff radio show for electronics enthusiasts and professionals.
Dave Jones and Chris Gammell discuss electronics in an off-the-cuff format. Discussions range from hobbyist electronics to the state of the electronics industry.

CAD Systems File Extensions by CAD 2 CAM, Inc.
Here's some help if you need to figure out what type of CAD file you've got.

Circuit Exchange International
Electronic and radio schematics, design, theory and analysis

delabs circuit design
CONTACT: Anantha Narayan
E-MAIL: projects@delabs-circuits.com
CATEGORIES: Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
delabs maintains a electronics circuits archive and technical documents.
Many of these circuits were designed or developed by the webmaster.
The web page also contains many links to useful electronics, freeware and open source websites.
The intention to put this information on the web is to enable Students, Hobbyists and Professionals to get more ideas on various aspects of electronics and circuit design. The Links Directory of delabs includes companies, service manuals, datasheets and application notes.

If there's something we all share in common at Digital DIY, it's an interest with electronics and creating practical solutions for everyday problems.

Discover Circuits
CONTACT: David A. Johnson, PE
PHONE: 303-252-9787
E-MAIL: Please see web page
ADDRESS: 13355 Lafayette Way,
Thornton, Colorado 80241-1192
Discover Circuits, a resource for engineers, hobbyists, inventors & consultants, is a collection of 11,000+ electronic circuits or electronic schematics cross-referenced into 500+ categories to find quick solutions for electronic design problems.

DorkbotPDX | people doing strange things with electricity
CATEGORIES: Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
About DorkbotPDX
DorkbotPDX has crawled out of the womb and is in the now permanent (revolutionary) process of defining itself. We are a community of creative types who enjoy experimenting, finding art in technology and pushing the limits of whatever is in front of us. We meet on an regular, informal basis every other week, but you can find out more on our meetings page. We occasionally hold larger events, so sign up for the mailing lists to find out what's going on. We welcome you to join us at our gatherings and to bring something interesting to view or ponder. Hands-on items (electrical, mechanical, digital, aural, visual, or other) are highly encouraged! Show and tell warrants mega ultra bonus points! If nothing else, just show up and tell us what you're interested in -- chances are good you'll find some creative feedback or meet someone with similar ideas.

Electronics 2000
CONTACT: Simon Carter
E-MAIL: See web page
CATEGORIES: Software: Calculators, Demo, Shareware, Freeware & Trial Offer Software, Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
This site has something for everyone interested in electronics - a beginners guide to project building, technical data, interactive formula calculators, software downloads including Simon Carter's own Electronics Assistant program, links to other sites and more.

CATEGORIES: Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
General electronics page with tutorials, forums, projects and other useful information.

The electronic hobbyist corner
Here you can find useful circuits with full description, diagrams and PCB, electronics articles, links and downloads.
Post any questions on the community forum

The Electrical and Electronics Engineering Virtual Library is hosted at The Monterrey Tech, State of Mexico Campus, Electrical and Electronics Engineering Department

Electronics Manufacturing Productivity Facility (EMPF)
The EMPF is a U.S. Navy sponsored National Center of Excellence focused on the development, application and transfer of new electronics manufacturing technology by partnering with industry, academia and government centers and laboratories in the U.S. Under the direction of the American Competitiveness Institute, a scientific research corporation, the EMPF offers more American companies the benefits of a national network of R&D organizations. For further information, please visit our Website at

electronics tutorials offered by www.electronics-tutorials.com are FREE to you and are extremely comprehensive with over 120 individual electronics tutorials topics covering a very wide range of electronics. It will always continue to expand so come back often. This page will give you a good broad overview of this very comprehensive electronics tutorials site.

This site contains lots of FREE electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams for hobbyists, students, professionals etc. covering a wide range of categories in electronics like audio, music,home/garden related,computer hardware,radio,robotics etc to name a few. This site also contains links to sites that offer electronic kits and hobby stuff.

element14 by Premier Farnell plc
PHONE: +44 (0) 20 7851 4100
FAX: +44 (0) 20 7851 4110
E-MAIL: information@premierfarnell.com
ADDRESS: 25/28 Old Burlington Street
London W1S 3AN UK
* Industry links, Information Services, Directories & Portals
* PCB & Engineering Industry Forums
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
element14 is a new, innovative information portal and eCommunity specifically built for electronic design engineers. It provides product data, design tools and technology information, whilst incorporating web 2.0 functionality to facilitate communication, interaction, collaboration and information sharing between colleagues around the world. Users can consult experts, discover trends, post blogs, articles and comments in this world-wide forum.

PCB Fab Tutorial
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
This tutorial covers:
* PCB Basics
* Preparations
* ECAD for Home Fab
* Mask Fabrication
* Pattern Transfer
* Etching
* Multi-layer, Tips and Tricks

Free Electronic Circuits
Free Electronic Circuits is a site dedicated to electronic hobbyists.
There are many pages of quality information from actual electronics projects and electronics circuits that you can build, to electronic symbols and a glossary of technical terms. We also provide valuable information and links to design and simulation software.

Fritzing / University of Applied Sciences Potsdam
E-MAIL: info@fritzing.org
ADDRESS: Potsdam, Germany
* Prototyping Systems / Milling Systems
* Software: Demo, Shareware, Freeware & Trial Offer Software
* Software: PCB Layout / Design / Schematic Capture / Autorouting Software
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
"Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to work creatively with interactive electronics.
We are creating a software and website in the spirit of Processing and Arduino, developing a tool that allows users to document their prototypes, share them with others, teach electronics in a classroom, and to create a pcb layout for professional manufacturing."

How Printed Circuit Boards Are Made
Video- click here

Gerber Data & Photoplotting Related

Gerber 274-X Format Plot Data Format Reference Book / Gerber Format Specifications
The RS-274X Format Specification document in pdf format can be downloaded from:

Gerber X2
Ucamco has many more details about the transition to Gerber X2 on their website using the following links:

Gerber File Format Version 2 FAQ

Introduction to Gerber X2 (video)

D-codes, Apertures & Gerber Plot Files
An article about photoplotters & Gerber data by, Steve DiBartolomeo,
Applications Manager, Artwork Conversion Software, Inc.
Artwork Conversion Software, Inc.

A Review of Modern Photoplotting Formats.
By Graham Dean

LaserVia Drilling Centers. LLC
CONTACT: Larry W. Burgess
PHONE: 503.570.2666
FAX: 503.570.4239
E-MAIL: lburgess@laservia.com
ADDRESS: 9755 SW Commerce Circle
Suite B-3, P.O. Box 1310 Wilsonville, Oregon 97070-1310
CATEGORIES: Drilling, Routing & Scoring, Technical & How to Pages
-- see library page

Contract Laser Blind Microvia Drilling and Laser Systems

Laurier's Handy Dandy Little Circuits©
A web page dedicated to the electronic hobbyists

Lazar's Power Electronics Corner
CONTACT: Lazar Rozenblat
CATEGORIES: Technical / How to Pages / Hobby / Technical Bulletins / Tips & Techniques
PCB design resources on the web- layout guidelines, rules, free software.

Lessons In Electric Circuits
Copyright (C) Tony R. Kuphaldt
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby / Technical Bulletins / Tips & Techniques
A free series of textbooks on the subjects of electricity and electronics.
These books and all related files are published under the terms and conditions of the Design Science License. These terms and conditions allow for free copying, distribution, and/or modification of this document by the general public.

Maker Shed / Maker Media, Inc.
PHONE: 877.306.6253 or 707.639.1355
E-MAIL: info@makerfaire.com
ADDRESS: 1005 Gravenstein Hwy N,
Sebastopol, California 95472
* PCB & Electronics Hobby Kits, Tools & Robotics
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
Maker Media is a global platform for connecting Makers with each other, with products and services, and with our partners.
Through media, events and ecommerce, Maker Media serves a growing community of Makers who bring a DIY mindset to technology.
Whether as hobbyists or professionals, Makers are creative, resourceful and curious, developing projects that demonstrate how they can interact with the world around them.
The launch of Make: magazine in 2005, followed by Maker Faire in 2006, jumpstarted a worldwide Maker Movement, which is transforming innovation, culture and education.
Located in San Francisco, CA, Maker Media is the publisher of Make: magazine and the producer of Maker Faire.
It also develops “getting started” kits and books that are sold in its Maker Shed store as well as in retail channels.

massmind.org is a collaborative archive of knowledge. Currently focused on technical and engineering how-to's, experiences and trade secrets, the site is setup to grow in all directions by allowing anyone to post comments, code, questions or links on any page in the subject tree.
James Newton, massmind.org Knowledge Archiver james@massmind.org 1-619-652-0593 fax:1-208-279-8767
All the engineering secrets worth knowing: http://techref.massmind.org What do YOU know?

MB Solutions SRL Resources and Information for professional designers
I-MB is a great web page from Marian Bozdoc of Romania. Featured sections in the site include the history of CAD and the history of computing. The history of CAD section also includes introductions to CAD and CAM for beginners. In addition there are also news and software sections.

PCB Design and Fabrication School
A beginner’s guide to printed circuit boards
CONTACT: David Duross
E-MAIL: pcbdesignschool@comcast.net
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
The purpose of this blog is to help educate people on printed circuit boards, aka pcbs.

I am a veteran of the printed circuit board industry. I have hands on experience with all of the manufacturing steps required to build a pcb. This includes front end engineering, CAM and quality control. Over the years I have observed the decline of my industry. Many manufacturing facilities have closed their doors here in the United States and in Europe. The people that worked in these facilities have left the electronics industry all together. The printed circuit boards that were built there are now being made in Asia and India. As a result, much of the knowledge has been lost.

I communicate with designers, OEMs and contract manufacturers on a daily basis. Many experienced and knowledgeble people have either retired or have been laid-off. More and more of the people that remain are either inexperienced or are new hires that have little knowlege with the manufacturing process behind pcbs. These are very intellegent people. However, they do not specialize in the bare board fabrication process. I find that the more a designer knows about the pcb fabrication process the better the designer becomes.

Over the life of this blog I shall be posting content that deals with the manufacturing process behind printed circuit boards. I shall also be posting information regarding the capabilities and limitations of pcbs in general. My time is limited so there may be large gaps between my posts. Please feel free to post questions or respond to posted topics. I’ll respond as I am able.

PCB Fab-In-A-Box
PulsarProFX, LL
CONTACT: Frank Miller, Owner & CBW
PHONE: 850.926.2009
FAX: 888.280.7570
E-MAIL: mail@pulsarprofx.com
ADDRESS: 5822 Roy Heights
Colorado Springs, Colorado 80918-1593
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
* PCB & Electronics Hobby Kits, Tools & Robotics
Direct Etch kits.
The only 8 minute PCB fabrication system for making FAST, inexpensive, quality, high-resolution circuit boards with trace pitch down to .005" using any conventional B&W laser printer or photo-copier!

PCB Heaven Electronics Workbench
CONTACT: George Lazaridis
PHONE: +30.6932260503
E-MAIL: geolazaridis@ath.forthnet.gr
* PCB Industry Forums Page
* Industry links, Information Services, Directories & Portals
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
* Software: Calculators
PCB Heaven - Electronic designs and schematics, great theory pages, tools and a forum for your project-log!

CATEGORIES: Technical / DIY / How to Pages / Hobby / Technical Bulletins / Tips & Techniques
PCBShopper lets you compare prices for printed circuit boards from multiple manufacturers. Just type in your board's size, layers, solder mask color, and the quantity you want, and PCBShopper.com will tell you how much it will cost and how long it will take from a variety of PCB manufacturers.

Printed Circuit University
UP Media Group Inc.
PHONE: 678.589.8800
FAX: 610.629.9340
E-MAIL: info@upmediagroup.com
Canton, Georgia 30169
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
Printed Circuit University is devoted to helping engineers, designers and other PCB professionals advance their careers through online education in topics and technologies directly related to the electronics industry.
The content includes free access to lectures, white papers, videos and other media. In addition, subscriptions are available on a pay per session basis or an annual subscriptionthat allows access to all content on the site.

Sam Electronic Circuits
E-MAIL: athsam@otenet.gr
Electronic Circuits for the Hobbyist. Audio and digital circuits with full description and diagramms. Other electronic links and Greek Radio Links.

San Francisco Circuits - PCB School
CATEGORIES: Printed Circuit Design & Engineering Schools / PCB Technical Training / Tutorials
* Technical / DIY / How to Pages / Hobby / Technical Bulletins / Tips & Techniques
San Francisco Circuits' PCB School is an online resource for printed circuit e-books, PDF informational downloads and articles for all levels of engineers, hobbyists or layout experts. Our PCB School section includes resources on PCB manufacturing equipment, flex circuits, metal core, ultrasonic cleaning and more.

CONTACT: Eldie Monroe
E-MAIL: eldie@elitetechno.com / Twitter: @Elite_Techs
CATEGORIES: Technical / DIY / How to Pages / Hobby / Technical Bulletins / Tips & Techniques
You're a problem solver with ideas. Schematics.com brings you all the tools to tackle projects big and small—combining real-world components with online collaboration.

NEETS - United States Navy Electricity & Electronics Training Series
All the practical electronics training you could want, in a free online PDF book format.

By V. Ryan
* Printed Circuit Design Schools / PCB Technical Training / Engineering Schools
* Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
Technologystudent.com covers a wide range that includes the design process, gear systems, electronics, cams, printed circuit boards, PIC microcontrollers / computer control, key words/phrases, structures, vocational work, technology and cultures, basic CNC work. They are intended to provide a valuable resource for teachers and pupils AND they are free.

PHONE: 650.521.9027 - TOLL-FREE 800.640.1975
E-MAIL: info@techshop.ws
ADDRESS: 120 Independence Dr.,
Menlo Park, California 94025
CATEGORIES: Technical / How to Pages / Hobby - DIY / Technical Bulletins / Tips & Techniques
TechShop is a 15,000 square-foot membership-based workshop that provides members with access to tools and equipment, instruction, and a community of creative and supportive people so they can build the things they have always wanted to make.

You can think of TechShop like a fitness club, but with tools and equipment instead of exercise equipment. It is sort of like a Kinko's for makers, or a Xerox PARC for the rest of us. TechShop is designed for everyone, regardless of their skill level. TechShop is perfect for inventors, makers, hackers, tinkerers, artists, roboteers, families, entrepreneurs, youth groups, FIRST robotic teams, arts and crafts enthusiasts, and anyone else who wants to be able to make things that they dream up but don't have the tools, space or skills.

The Hobby of Electronic Circuit Engineering Web Page
by Seiichi Inoue of Japan
A wonderfull independent how-to page that includes:
* Electronic Circuit EngineeringIntroduction
* Electronic Circuits Application Garage
* Parts purchase guide
* Manufacturing of Original PrintedCircuit Board
* Data Sheets Collection

The Printed Circuit Board Primer
By Eric Holm
Summary: A fine printed circuit board is a mixture of high art, and solid engineering. Here is a short primer on what goes into the making of a PCB, the terminology and the features that enhance reliability, and lower cost.

The Printed Circuit Board Fabricators Home Page
This home page offers advice and insights on the process for producing a Printed Circuit Board. The production process has been broken down into the different areas, to prevent confusion and allow easy access to the information within these areas.

Tips & Techniques

"What is a PCB Designer Anyway?"
An answer by John W. Childers of Golden Gate Graphics

Williamson Labs
CONTACT: Glen Williamson
PHONE: 804.836.1360
E-MAIL: info@williamson-labs.com
ADDRESS: 372 Norwood Drive
Danville, Virginia 24540
CATEGORIES: Technical & How to Pages
Great web page with tutorials on Electronics, Electronics Design, Basic electronics & Electrical engineering. This site also features over 160 URLs on more than 90 related subject areas, free!

Web www.everythingpcb.com

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