Self-confessed “aspiring geek” Ben Millam decided his cat would be more challenged if it hunted for its dinner. Understandably not wanting to hide cat food around the house, he instead trained the cat to hunt for wiffle balls which contain an RFID chip. When the cat drops the balls into a bowl, they roll past an RFID reader which, via an Arduino computer, dispenses a portion of food.

Read the construction details at Ben’s site.