So I have one of these FNIRSI DC-580 buck-boost power supplies. It seems to have an CH340N USB to TTL serial port IC attached via MicroUSB, so might like to figure out how I can program that.
DC-580 buck-boost power supply with CH340N IC
An interesting write up concerning a shanzhai knock off: Anatomy of a cheap USB to Ethernet adapter.
So today I found this Xbox USB Device Compatibility List. Gonna get myself an old 2GB iPod Nano for the task!
I found some info on how mass storage devices are operated over USB:
I believe the relevant kernel source code is here.
This turned up on HN today: Tomu, a tiny ARM microprocessor which fits in your USB port.
Today via r/programming: How does USB device discovery work?. An interesting video of a dude using his pretty awesome looking oscilliscope…