HEATKEYS

This site has merged with CIRCUIT-BLOG.COM and LDRENGINEERING.ORG Click here to get all the posts of circuit-blog.com and ldrengineering.org. Custom Search Se...

MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, hack, ...

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

ESP - The Audio Pages. Professional results for the DIY enthusiast. Audio articles, projects to build and general information about hi-fi amplifiers, loudspeakers and audio in general.

The Motherload of Free FM Transmitter Circuits, Spy Circuits, and Diagrams - With Circuitboard and Stripboard Layouts

YouTube is a place to discover, watch, upload and share videos.

8255, PPI, parallel, digital, digital interface card, interface card, DIO, I/O, robot, robotics, computer, control, motor, motor control, parallel port, infrared, emitter, detector

Easy to use website building tool for your professional or personal website and blog, web hosting, domain registration, email and more at Tripod.com!

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting to hams around the U.S. with news, information and resources.

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