Electronics AC/DC + Logic Cheat Sheets UPDATE

Google recently released a preview for Android Things, but will developers actually get their hands on it this time around?

If you haven’t yet heard of Sonavation, you probably aren’t alone, but the company has done something unprecedented: it’s shrunk a $100k ultrasound machine to the size of a fingerprint module.

All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.