Hello All It's been a while, and I decided that upgrading to the new IDE (1.6.12) would be a good thing. I can't seem to get it to upload to my Sparkfun RedBoard, which used to run fine as an UNO. If i use the old IDE (1.0.5) everything is fine, same usb cable, same port, no changes. The loopback …

New install of IDE won't upload

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I need really quick help, please! My BA thesis presentation depends on that! IDE 1.x	5	952	May 5, 2021
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