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. For the rotation mechanism the outer part is cut out of 2mm delrin and holds the inner part which is cut from cardboard. The inner part can rotate but only in discrete steps. it also gives a snapping sound 🙂
If you want to make your own DIY Batlamp, head on over to Thingiverse for full instructsions.
Make via The Awesomer