This full-size replica blaster from Star Wars, most iconically used by Han Solo and Princess Leia, has everything. Flashing LEDs, blaster noises, LEGO, and yes, even an Arduino. Not bad for [Baron … ...

I built it for the by Arduino automated Lego train container terminal that I’m currently building. This Lego compressor contains 4 Lego PF M motors, 8 Lego pneumatic pumps and 10 air tanks.

Avoid stepping on these tiny Arduino-compatible boards. MCookies are pricier than the LEGOs they snap into, and will probably cut your feet just as badly.

With little more than an Arduino, an OLED display, and some buttons, it’s easy to build your own faux-retro game system. There’s even a growing library of titles out there that target t… ...