A 1990s TRANZ 330 credit card reader was repurposed into a solar system guide. It uses GPS and thermal printing to show planet positions. Source code is available and shared by [CharlesD].
https://hackaday.com/2026/10/27/2026-retrocomputing-challenge-explore-space-with-a-credit-card-reader/
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#retrocomputing #gps #z80 #telescope
https://hackaday.com/2026/10/27/2026-retrocomputing-challenge-explore-space-with-a-credit-card-reader/
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#retrocomputing #gps #z80 #telescope
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Categories: Notices [c6], Projects & Resources [c5]