Raspberry Pi Zero as Multiple USB Gadgets

In case you haven’t heard, the Raspberry Pi Zero is the smallest, most low-cost device in the Raspberry Pi family, but it’s also the hardest to find. It has two Micro-B USB ports, one for power and another functions as a dual-role USB OTG port.

Raspberry Pi Zero, back side

One of the more interesting uses for the Raspberry Pi Zero is to get it to behave as a USB device, just like your USB flash drive, for example.

There have been several guides written already, such as the Adafruit one, but most of them were based on the old kernel gadget drivers, like g_serial and g_ether. It still works, but not as flexible and likely to be deprecated in future.

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