A 42-year-old Black woman with no significant past medical history presents with blue-gray macules on her neck and upper chest that gradually developed over the past year.

There’s also a detour to using 3D-printed flexures instead of springs, although that has yet to prove functional. On the electronics and interfacing side of things, [John] utilises the Arduino ...

If you want to learn more about flexures, be sure to checkout this Open Source Flexure Construction Kit.