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<p>Hi Guys<br>
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<p>Any chance one of you has a simple minimal breakout board with a
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on it that I could beg/borrow/steal? <br>
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<p>I can get one from Ali eventually (maybe)... but apart from the
long wait, lately everything from Ali has gotten to Auckland then
vanished never to be seen again.</p>
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<p>What I'm trying to do is drop a binary firmware on it (its a
custom version of Marlin 2, 3d printer firmware, but for an
undocumented controller) <br>
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<p>Trying and work out what pins they have allocated to what
functions...</p>
<p>Luckily Marlin has serial interface so its possible to turn
things on and off and look for the pin changes etc.</p>
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