An earlier teardown of the equate digital pregnant test revealed that the microcontroller was not reprogrammable. This is the key tweet that shows that while this is impressive, this cannot be done out of the box. <a href="https://twitter.com/Foone/status/1302453246536028160?s=20" rel="nofollow">https://twitter.com/Foone/status/1302453246536028160?s=20</a>