xmastree

A set of nerdy Christmas tree ornaments with a central 5V power bus.

These ornaments are great teaching/learning vehicles for budding hardware and software hackers.

See http://cassettepunk.com/blog/2015/12/24/nerdy-xmas-tree/ for details.

snowdrop

An ATTiny85-based "snowdrop"-type light strip (made with neopixels) with a piezo transducer for interactivity.

hohoho

An ATTiny85-based ornament that periodically says "ho ho ho".