Jar of Fireflies (instructables.com)

I actually made this! The hardest thing was to hand-solder the wires onto the SMT LED.

Ah, reminds me of the old stuff this guy used to do; specifically the section named "fireflys"[sic]: https://home.comcast.net/~botronics/

This is very cool. I imagine a firefly might consider it to be in the uncanny valley of cute but unconvincing firefly simulations.

It's fascinating to see the successful use of micro-controllers to create lush, organic experiences. A teledildonics boom has been predicted for years, but this kind of demo makes me think that it's going to happen any day.

I tried doing this exact project for table decorations for my wedding reception. As it turns out, this project fell to the bottom of the to-do list and never got completed. Anybody need some parts??

Instead of surface mounting, let the LEDs dangle, and introduce a bit of current from air flow or a mineral oil fill.