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Spectrum nostalgia
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Ye Olde Spectrum 2015-05-07
Vintage computing
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The new specification defines a symmetrical hardware handshaking method by just changing RTS.
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This is an illustrated tutorial on building a variable voltage control for fans and other units, ba
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Hello and welcome. Feel free to skip any sections you don't want to read. To make this circuit work
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This is an illustrated tutorial on building a voltage monitor for fan control circuits - rheostats,
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This project uses a 12F508 (or 12F509) to read a keypad and send the results over RS232. It is most
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For those who may be interested. A simple circuit/method/scheme for adding a serial port to that o
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Here is a project I worked on a while ago that I’ve finally got around to documenting. It inte
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This update applies to a project posted [URL="http://www.electro-tech-online.com/electronic-project
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