Next week we ship the Bitaxe Naja Duo , and the spec that matters is 9.5 joules per terahash at stock. First open-source home miner under 10. But this is dev.to, so instead of a product pitch, here's the part that's actually interesting to build: what it takes to make a $3 microcontroller drive silicon that Bitmain designed for industrial hashboards and documented for nobody. The problem: a peripheral with no datasheet The BM1373 is Bitmain's 3nm SHA-256 ASIC from the Antminer S...