BlinkM Coin Cell Holder
Did you know you can power BlinkMs or BlinkM MinMs off two 3V coin cells? Here is a tiny 3d-printable coin cell and header socket holder for BlinkMs and BlinkM MinMs. It snaps together and has mounting holes to turn it into a pendant or mounting additional diffusors for the LEDs.
And you don’t need many parts to build it: - one each of plastic pieces here (see the STL files on Thingiverse) - two CR2032 3V coin cells - one 4-pos female header socket (Digikey S7037-ND or equivalent) - two short pieces of solid wire (old resistor leads, 26 gauge wire stripped, etc.)
Steps: 1. [...]
[original story: Todbot]