Sunday, October 24, 2010

FC's Circuit Archive

Overview

Here are some electronic circuits that I have designed and published. I have attempted to include a number of fairly unusual circuits, with an emphasis on useful applications instead of simple toy circuits. The majority of these projects can be built with readily available discrete components. Only a few of the circuits rely on microprocessors. Micros can greatly enhance the power of a small device, but the specialized development tools can put the project out of reach of many hobbyists. See the Arduino project for an easy to learn microprocessor platform. Most of the circuits on this site have been drawn with the open-source XCircuit circuit drawing program, it runs under both the Linux operating system and Windows.
I'm a big fan of the Linux operating system. If you have a spare Pentium PC lying around, I recommend giving the free Ubuntu Linux distribution a spin. A large selection of free electronic and ham radio applications are available for Linux. Linux also makes a great platform for dedicated systems: take an older computer, install Linux and the appropriate free software utilities and turn it into a specialized device. Possibilities include web servers, firewalls, security systems, multi-track audio recorders (Ardour, Audacity), weather stations, music jukeboxes, Tivo devices, electric train controllers (JMRI) and much more.
According to Rick Lehrbaum, creator of the Linux for Devices embedded Linux web site, Linux is the New DOS of the computer world. It's a natural platform for programmers, electronics hobbyists, and those who like to dig into the internals of the computer. The source code for the operating system is freely available and documentation is plentiful. Visit LWN.net for the latest Linux news.

Overview

Here are some electronic circuits that I have designed and published. I have attempted to include a number of fairly unusual circuits, with an emphasis on useful applications instead of simple toy circuits. The majority of these projects can be built with readily available discrete components. Only a few of the circuits rely on microprocessors. Micros can greatly enhance the power of a small device, but the specialized development tools can put the project out of reach of many hobbyists. See the Arduino project for an easy to learn microprocessor platform. Most of the circuits on this site have been drawn with the open-source XCircuit circuit drawing program, it runs under both the Linux operating system and Windows.
I'm a big fan of the Linux operating system. If you have a spare Pentium PC lying around, I recommend giving the free Ubuntu Linux distribution a spin. A large selection of free electronic and ham radio applications are available for Linux. Linux also makes a great platform for dedicated systems: take an older computer, install Linux and the appropriate free software utilities and turn it into a specialized device. Possibilities include web servers, firewalls, security systems, multi-track audio recorders (Ardour, Audacity), weather stations, music jukeboxes, Tivo devices, electric train controllers (JMRI) and much more.
According to Rick Lehrbaum, creator of the Linux for Devices embedded Linux web site, Linux is the New DOS of the computer world. It's a natural platform for programmers, electronics hobbyists, and those who like to dig into the internals of the computer. The source code for the operating system is freely available and documentation is plentiful. Visit LWN.net for the latest Linux news.

Overview

Here are some electronic circuits that I have designed and published. I have attempted to include a number of fairly unusual circuits, with an emphasis on useful applications instead of simple toy circuits. The majority of these projects can be built with readily available discrete components. Only a few of the circuits rely on microprocessors. Micros can greatly enhance the power of a small device, but the specialized development tools can put the project out of reach of many hobbyists. See the Arduino project for an easy to learn microprocessor platform. Most of the circuits on this site have been drawn with the open-source XCircuit circuit drawing program, it runs under both the Linux operating system and Windows.
I'm a big fan of the Linux operating system. If you have a spare Pentium PC lying around, I recommend giving the free Ubuntu Linux distribution a spin. A large selection of free electronic and ham radio applications are available for Linux. Linux also makes a great platform for dedicated systems: take an older computer, install Linux and the appropriate free software utilities and turn it into a specialized device. Possibilities include web servers, firewalls, security systems, multi-track audio recorders (Ardour, Audacity), weather stations, music jukeboxes, Tivo devices, electric train controllers (JMRI) and much more.
According to Rick Lehrbaum, creator of the Linux for Devices embedded Linux web site, Linux is the New DOS of the computer world. It's a natural platform for programmers, electronics hobbyists, and those who like to dig into the internals of the computer. The source code for the operating system is freely available and documentation is plentiful. Visit LWN.net for the latest Linux news.
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