Feature:
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
Package Included:
1 x UNO R3 ATmega328P CH340G USB Driver Board & USB Cable For Arduino DIY