The Single Wire Protocol (SWP) Slave Digital Controller is a fully integrated protocol manager intended to interface the UICC (SWP slave) to the NFC chip (SWP master) through a single wire.

His latest project is right up there, too: a single PCB that folds up into a four-wheel motorized rover. The key to [Carl]’s design lies with his PCB brushless motors, which he has been refining ...