I remember I needed to add end (false) to fix some bug, but I should have made a comment in the code about it because now I forget why I thought that was necessary. I think I will just replace that ...

At 150 hashes a second per Arduino, mining one dollar a day would need 10 billion Arduinos Pro Micro consumes 200 mA, mining $1 a day with a 10 billion Arduino rig will need 2 gigawatts of power ...

It is pretty well-known that I’m not a big fan of the Arduino infrastructure. Granted, these days you have more options with the pro IDE and Platform IO, for example. But the original IDE always gives ...