Hi, I have a bootloader issue (I think so). One of my two Arduino Pro Mini 3.3V 8MHz refuses to upload sketchs. I MUST press reset button to make it upload. So I have reflashed the bootloader. That solved the problem. But at subsequent uploads, I have the same error. In fact, after burning the …

Can upload sketch to Arduino pro mini only once

nbenm August 23, 2019, 7:21pm 5

Pressing the reset button at compile time always makes the sketch be uploaded.

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