Arduino Forum
Serial port 'COM19' already in use
Forum 2005-2010 (read only)
Software
Troubleshooting
system
February 4, 2009, 3:21am
3
Are you sure that COM19 is the right port to use?
show post in topic
Related Topics
Topic
Replies
Views
Activity
Uno 'L' LED Blink and Com port Busy
Interfacing w/ Software on the Computer
2
2257
May 6, 2021
serial port already in use
Interfacing w/ Software on the Computer
4
1252
May 6, 2021
Serial Port Already In Use
IDE 1.x
9
3703
May 5, 2021
Can't get UNO to talk to computer
IDE 1.x
1
549
May 5, 2021
Arduino UNO Serial port already in use
IDE 1.x
6
5192
May 5, 2021