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The takeaway for me is that it costs roughly $15-20 of hardware parts to have a stand-alone status indicator. That's pretty cheap, but not "no brainer" cheap.

I start asking myself what are the status indicators we really need? That people would pay $50 for?




This particular build cost, hmm, $6, plus $3 for the bus (I'm assuming you have the three wires already).


Ah, yes. I double counted the chip and the board for some reason.




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