Just built my Nibble this weekend and it working great!
However I can’t get CircuitBlocks to upload to it. I get the same upload error message every time. Also when I try to restore the firmware. See the screenshot.
I’m using CircuitBlocks 1.3.1 on a Mac with Big Sur (11.2.1). The Nibble is turned on and CircuitBlocks says ‘Nibble Connected’.
Since my Mac only has USB-C connections I’m using an adapter to connect. But I tried a few and with the same result each time.
Any idea what is going on and how I can troubleshoot?