I found this old diy cellphone microscope tutorial and thought I'd share it
I've been wanting to get a proper microscope so I can do my own spore examinations to identify local fungi but it's been out of budget. This looks like a much more affordable option so now off to find some plexiglass and laser pointers at the dump.
https://www.instructables.com/10-Smartphone-to-digital-microscope-conversion/Open linkView original on beehaw.org
what a great idea! Now I know what to do with the next if the next of those cheap laser diodes fails on me! The lens should work I guess 😎
Laser diodes are also cheap; you can get them in bulk for a few dollars from DigiKey and similar places.