A controller can be a horsepower-rated switch, snap switch, or circuit breaker. A pushbutton that operates an electromechanical relay isn’t a controller because it doesn’t meet the controller rating ...

Over on Hackaday.io, [Zoltan Pekic] has been busy building a stack of tools for assisting with verifying and debugging retro computing applications. He presents his take on using Intel hex files fo… ...