Digital pregnancy tests just contain a regular paper strip test and the battery, microcontroller, LEDs, photodiodes, screen, etc. are all to read whether it shows one line or two

Deimos
2020-09-04T16:34:08Z

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Comments URL: https://tildes.net/~tech/roh/digital_pregnancy_tests_just_contain_a_regular_paper_strip_test_and_the_battery_microcontroller

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