The Teensy 3.x series of boards are amazing pieces of work, with a tiny, breadboard-friendly footprint, an improbable number of IO pins, and a powerful processor, all for under $20. [Karl Lunt] loves ...

Planning another Arduino build? If you’re just doing something simple like switching a relay or powering a LED, you might want to think about the Digispark. It’s a very small ATtiny-based Arduino ...