INHAOS launched an Arduino compatible UNO R3 white board BUONO UNO R3 last year, and now INHAOS launch a blue BUONO UNO R3 which uses a better technology, and improved the quality. The white one will be replaced by the blue one, but during the product conversion time, we will send the white board and blue board randomly when you buy it, if you have any special perference for this two colors, please leave us a message when you make your order.
Thank you.