A small black PCB connected on top of a larger PCB

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1. Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 12-Jan-2025 15:42:39 JST Foone🏳️‍⚧️

   in reply to

   They keep the microcontroller on this little daughterboard, labeled MCU CARD on the main PCB.
   So presumably if they want to build a Smarter PSU they can just drop an ARM chip on here. Maybe they do, if you have one of the PSUs with RGB LEDs and such.