Earlier this year [Skyhawkson] got ahold of an Apollo-era printed circuit board which he believes was used in a NASA test stand. He took high quality photos of both sides of the board and ...

[hobochild] addresses this by using two different materials to create his test board ... resulting in a pretty good-looking 3D-printed circuit board whose conductors feature actual metal.

The testing time is under five seconds per sample, which makes it very efficient.” Printed circuit board used in the saliva-based biosensor that can detect breast cancer biomarkers from ...