I don’t remember seeing many of these until the last few months. I’ve been killing 1 or 2 every day. On one of the “warmer” days this winter I killed 10 in 30 minutes.
Puck.js
Puck.js looks really cool for automation projects. Essentially these are a DIY version of Flic buttons, but with endless possibilities due to all of the sensors and pins.
Nick's Blog 