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Build a Passive Radar With Software-Defined Radio

Cars That Think

Normally, when it comes to radio-related projects, my home of New York City is a terrible place to be. The biggest leap forward happened in 2012 when it was discovered that USB stick TV tuners using the RTL2832U demodulator chip could be tapped to make very cheap but effective SDR receivers.

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The Soviet-Era, Z80-based Galaksija Dared to Be Different

Cars That Think

The Galaksija is a Z80 -based, 8-bit DIY machine, cleverly designed so that its bill of materials meshed exactly with what a Yugoslavian was able to import from Western Europe. Like many makers, I use a cheap and cheerful TL866-based ROM programmer.

DIY 98