HEATKEYS

A new open source hardware project every month

Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, Relays, Resistors, AC DC Converters, Circuits, Microcontrollers, Power, Lighting & Wireless Supp...

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

Free Electronic projects, schematics, diagramms, pcb, free electronic software and hobbilist electronics resources, electronic community and much more

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

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

Sunstone printed circuit boards for all of your PCB needs. Sunstone offers top quality circuit boards and customer service ? from quote to delivery.

Head-Fi.org: Head-Fi covers headphones, portable audio, earphones, earbuds, headphone amplifiers and audiophile equipment.

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

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

OLIMEX Ltd. is manufacturer of PCB and sub-contract assembler on OEM/ODM basis