The “Bedroom-Door-Open” Notification Gadget

I built a “door opened” notifier. It notifies me if my young daughter opens the door to her room. This way, I can work on projects in my workshop at night, and still know if she decides to not go to sleep. Maybe this will be useful for when she gets older to avoid her

Getting Started With Circuit Canvas (Quickstart Tutorial)

Circuit Canvas App

Need a quick way to draw circuits or connection diagrams? In this quickstart Circuit Canvas tutorial I’ll show you how to get up and running with Circuit Canvas in a matter of a few minutes. Circuit Canvas is a free web app that makes it fast and easy to draw good-looking schematics and real-world wiring