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TurnstileT t1_iuasycb wrote

Reply to comment by deusrex_ in Eli5 why do pregnancy testers not have a yes or no indication on the screen instead of the symbols and then matching them? by googleimages69420

That sounds.. very unnecessary and wasteful to manufactory disposable electronics for that purpose.

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leahlisbeth t1_iub1bh8 wrote

I took one apart once, I can confirm this is exactly how they work

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colimar t1_iuazqsg wrote

But can run doom

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julie78787 t1_iub2zsp wrote

A lot of smaller microcontrollers have all the hardware needed to run old text-only games. Often all that's needed to interface to an old serial terminal is the voltage converters.

I am not going to program a used pregnancy test to play doom or moria or any other text-only game.

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