Neat post up on Ben’s Place.
I’ve previously blogged about using Pi Zero (and Zero W) devices as USB Gadgets. This allows them to be powered and accessed via one of the micro USB sockets and it shows up as both a CD-Drive and a ethernet device.
A recent update to the Raspberry Pi 4 bootloader not only enables the low power mode for the USB hardware, allows the enabling of Network boot and enables data over the USB-C port. The lower power means it should run (without any hats) with the power supplied from a laptop.
Details of how to check/update the bootloader can be found here.
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