Retro appliances are no longer just background props in old family photos, they are now serious collectibles that can command ...

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...

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Heathkit Zenith Continuing Education - Amateur Radio Novice LicenseInclude:Folder (including images of cassette tapes)User Learning MaterialAudio Tapes ...