Have you always wanted your very own Batsignal, so you could call on the Caped Crusader whenever you want? Well now you can as the guys over at Thingiverse have but together a handy guide on how to make your own using an Arduino. Most parts are cut from 1.5mm very stable cardboard.
Have you an opinion, used or been to this object or place? Tell us what you like don't like about it, or post any specs/info about it:
