Could be. Aging myself, but there was hobbyist tech that could build something to do that in 30-60 minutes on a workbench as far back as the 1980s.
Which brings up an interesting thought: post Radio Shack, how many places can you walk into and buy electrical components with cash...?
19 posted on 05/09/2024 6:29:04 PM PDT by Tench_Coxe
(The woke were surprised by the reaction to the Bud Light fiasco. May there be many more surprises)