It is very cheap and easy to build, only requires two servos, a laser, and an Arduino. This time I put together a list ofdifferent robots built with an Arduino. FREE EBOOK (PDF) – Ultimate Beginners Guide To Arduino. Tutorial by. Cat Laser Entertainer Robot. Discover how to write effective and reusable code for your Arduino Arduino Uno Breadboard Projects For Beginners w/ CodePDF. Know how to do it hereChess Playing Robot Some of them are really straightforward, others are a bit advanced. Endle