Serial port 'COM19' already in use

Digger450 February 4, 2009, 6:08pm 9

Why does your error message say you are using COM5?

Topic		Replies	Views
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	1251	May 6, 2021
Serial Port Already In Use IDE 1.x	9	3690	May 5, 2021
Can't get UNO to talk to computer IDE 1.x	1	542	May 5, 2021
Arduino UNO Serial port already in use IDE 1.x	6	5188	May 5, 2021