This is a nice idea, but I wonder whether he did his research before starting this project. Due to the open nature of Arduino anybody is allowed to manufacture

This is a nice idea, but I wonder whether he did his research before starting this project. Due to the open nature of Arduino anybody is allowed to manufacture clones. There are plenty of cheap chinese versions on ebay and aliexpress. Arduino clone for $8 including shipping: http://www.aliexpress.com/item/Free-shipping-BTE-ROBOT-Main-Control-Board-Compatible-with-Arduino-duemilanove-2009-ATMEGA328-USB-cable/587638761.html http://www.aliexpress.com/item/Free-shipping-BTE-ROBOT-Main-... edit: granted, it's not a leonardo clone, but it is also $5 cheaper.