- Microchip - MICROCHIP Technology Inc.
- Precision Calibration Equipment - Pressure and Measuring Calibration Equipment, Calibration Testing Equipment including process control, multifunction calibrators, and much more at Timeelectronics.co.uk.
- Piclist - One of the main destination for PIC programmers.
- Electronic project lab - A nice website with many electronic projects and schematic, not only PIC.
- Dontronics - A very good website with plenty PIC, AVR, Simm sticks, Parallax kits, projects, links.
- Beyond Logic - Includes detailed information on USB, Serial Ports (RS232), Parallel Ports, Device Drivers and more.
- ePanorama - Links to a wide variety of analog and digital circuits.
- CommLinx - Database of links to electronics schematics on the web.
- DatasheetArchive - Datasheets and information for electronic components and semiconductors.
- Delabs Circuits and Technologies - Electronic circuits and technical documents in PDF, PNG and HTML formats.
- Electronics 2000 - EInformation for electronics enthusiasts. Includes technical data, calculators, software downloads, beginners guide and more!
- DataSheet4U.com - Free electronic engineering tool that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide.
- Abcelectronique.com - Resouces for electronics and semiconductors.
- ElectronicsTeacher.com - Electronic Tutorials, Electronic Project Kits, Robotics Guide for Students, Amateur and Professionals. Computer Architecture and Digital Circuits.
- Robot Books.com - Robot Kits, Robotics, and Toy Robots.
- Circuit Exchange International - Electronics and radio schematics, design theory and simulation.
- Sam Electronic Circuits - Free Electronic Circuits for the hobbyist.
- All About Circuits - One of the largest online electrical engineering communities.