(1) Add two rows of the holes for the pins. So it can be connected with normal Dubond line and add 3 rows of the holes for wiring.
(2) Change the in-line package of ATMEGA328P to flat package, ATmega16U2 is replaced by CH340G.
(3) Interface: Common micro-USB interface, the phone can use charging cable, easy to use.
(4) The bootloader is already burned onto the chip so it works right out of the box in 95% of cases, just plug it in!
(5) Please make sure you install this driver before you start to use Sintron Pro UNO R3 : download driver here : https://goo.gl/vUGoi9

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.54 inch
Height : 0.59 inch
Length : 5.12 inch

Item Weight: 2.08 ounce (View shipping rates and policies)
Shipping Weight: 2.08 ounce (View shipping rates and policies)

ASIN : B074FRMGRG