A project log for Heartbeat Logger

A portable device that logs a snippet of your heart at the push of a button.

Ole Andreas UtstumoOle Andreas Utstumo 02/15/2020 at 19:450 Comments

I made sure the PLL cap was a NP0 type and added 10µF decoupling to the analog supply of the MAX30003 with no improvement. This project has been dragging on for too long, so it's time to cut the losses and move on. A little summary won't hurt, though:

What works:

What doesn't work:

Lessons learnt:

... and lastly: