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@todbot@mastodon.social
2026-03-10 20:02:05

Talking w/ friends about shortwave recently and was reminded as a 1980s kid I was able to RECEIVE PICTURES FROM SPACE SATELLITES on my Apple ][ w/ a simple circuit & assembly code from a magazine. I found it! BYTE June 84: worldradiohistory.com/Archive-

"FAX Converter" circuit schematic going from shortwave receiver output to Apple II game controller port. It's just a transformer to half-wave rectifer to a transistor to make clean digital edges
Example "fax" image output from satellites that the Apple II was receiving
‪@todbot@mastodon.social‬
2026-03-10 20:02:05

Talking w/ friends about shortwave recently and was reminded as a 1980s kid I was able to RECEIVE PICTURES FROM SPACE SATELLITES on my Apple ][ w/ a simple circuit & assembly code from a magazine. I found it! BYTE June 84: worldradiohistory.com/Archive-