HEATKEYS

Amateur (Ham) radio website with information for those who want to be a ham radio operator,new ham and general information for the seasoned ham radio operator. License Study Material, Practice tests, practice code, antenna design, lots of ham radio i...

Home Automation using X10, etrex GPS hacks, Mountain Biking in Israel

Manufacturer of Radio Modems

Electronic Ciruits portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students.

Low cost I/O-rich single board computers, microcontroller boards, industrial controllers, HMI/MMI operator interfaces, & touch screen graphical user interfaces (GUIs), modular I/O for embedded systems, industrial control, data acquisition, ethern...

Murata corporate website. Portal to Information about Murata Products and up-to-date information.

Trans-Coil offers enhanced performance and protection solutions for variable frequency drives and motors. TCI is a trusted source of drive peripheral equipment that aims to improve overall system performance.

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.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

A source of in-depth information about the art of circuit simulation and modeling for analog, RF, and mixed-signal designers.

Build Guitar Pedals and Stompboxes, DIY fuzz, distortion, compressor, overdrive, delay chorus, schematics, tubes, transistors, opamps, circuit boards