Brand new and high quality.
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
Plug UNO development board, the driver will be automatically installed.
select the board UNO inside the die.
Select the COM port, this can be in my computer queries, just inside your uno port development board
1 x UNO R3 Compatible Board