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Advanced Circuits in Aurora Colorado is a printed circuit board manufacturer producing high quality, low cost barebones quickturn PCBs and prototype printed circuit boards.

Pad2Pad is the remarkable custom printed circuit board manufacturer offering free PCB design software, easy and powerful features, low prices, and online ordering convenience.

CadSoft EAGLE PCB design software is the best PCB design software available for designing printed circuit boards. Support & Tutorials available for free.

Saturn PCB Design, Inc. is an industry leading PCB design service and electronic engineering company offing microwave and high speed digital design.

Free PCB layout software - Low cost circuit boards - Top quality PCB manufacturing

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TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Electronic Engineering Times is the industry resource for news, analysis, design ideas & solutions, products, education, & engaging with the EE community.

DipTrace - Professional Schematic Capture and PCB Design Software

Electronic Design, a web site and print magazine for electronic design engineers and engineering management.