Sketch uses 2144 bytes (6%) of program storage space. Maximum is 32256 bytes. Global variables use 50 bytes (2%) of dynamic memory, leaving 1998 bytes for local variables. Maximum is 2048 bytes. avrdude: ser_open(): can't set com-state for "\.\COM4" Failed uploading: uploading error: exit status …

Need help in uploading code

rockingadrit July 13, 2024, 1:28pm 5

what is r3 or r4 actually i am a student

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