1 Intro to Embedded Systems Design w/ MSP430FR2355 (textbook videos)
A long, free MSP430 course praised for teaching absolute beginners GPIO, interrupts, timers and serial buses, and followed by some alongside the companion book.
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2 videos. Ranked by independent recommendations, not by views.
A long, free MSP430 course praised for teaching absolute beginners GPIO, interrupts, timers and serial buses, and followed by some alongside the companion book.
A manufacturer's demonstration of a powered seven-port USB hub working with a Raspberry Pi, cited by people choosing a hub that will not back-feed power.