Hello, im having problems with connecting with my Arduino UNO. I was working on a Arduino project last week and being the board transformer powered accidentally made a short in the bottom side of the board placing it into a metal surface. Before that i uploaded my program to the Arduino without prob…

Board Shortcut / Arduino Serial Port not interfacing

CrossRoads July 12, 2011, 3:37am 14

Yes, the little square one behind the USB connector.
Might be marked AT8MU2-something or other, like AT8MU2P-AU??

Topic		Replies	Views
Communications problem between Uno and computer IDE 1.x	4	1669	May 5, 2021
Com Port Problem IDE 1.x	3	587	May 5, 2021
Lost COM port IDE 1.x	4	1723	May 5, 2021
Help with arduino not connecting IDE 1.x	2	650	May 5, 2021
URGENT HELP IDE 1.x	5	687	May 30, 2021