With the Serial Monitor open in a running sketch, I can not upload another sketch without first closing the running sketch. I get the following errors: avrdude: ser_open(): can't open device "\.\COM4": Access is denied. Upload error: Error: 13 INTERNAL: Failed uploading: uploading error: exit stat…

Error uploading a sketch when Serial Monitor is open in another sketch

gilshultz November 9, 2021, 2:09am 5

Sorry I missed the bata. I have an old version by several years that is Arduino 2:1.0.5+dfsg2-4 and I thought that was what we were talking about.

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