UEB UNO R3 Board ATmega328P with USB Cable for Arduino - Compatible With Arduino UNO R3 Mega 2560 Nano Robot Main Changes from the older version Add two rows of the holes for the pins. So it can be connected with normal Dubond line Add 3 rows of the holes for wiring Change the in-line package of ATMEGA328P to flat package CH340G Replace ATmega16U2