Smarter Home Energy Use with Open Source and Cheap Sensors.

A touchscreen control panel for home IOT devices. Arduino, Raspberry Pi, RFM69, mqtt and more.

Magic wand to paint with color light based on temperature.

Make life an adventure with new places and companions!

Another plant watering system, now with a light sensor, 4 LEDs, silent pumps, and memory.

Gizmo to measure the running speed of the shutter on a film camera

Monitors if our barbecue grill is on, displays the grill temperature, and checks if it's okay to leave the deck-door open.