photodiode transducer

A project log for Measuring DVD-RW laser

Scientific approach to figuring out max drive current

DeepSOICDeepSOIC 01/04/2016 at 21:470 Comments

As simple as it possibly can be. A big 4700uF 25V cap (instead of a battery - lasts days!), a photodiode, a 100k resistor, and that's it! Held together by a piece of scrap PLA 3d-print.