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Is it possible to use the raspberry pi 400 as an external keyboard on another PC or tablet using the USB-C (OTG) feature?

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    Going by raspberrypi.org/forums/viewtopic.php?t=290760 the 400 does support OTG but it could be a cabling / power mess - I would rather use VNC to remote into the PC :-) Keyboard emulators (search HID keyboard Pi Zero) are all over the net for the Pi Zero - you would need to test it and handle keyboard entry / keyboard translation. Very expensive way to replace a £5 basic keyboard (unless you are doing key logging / injection attacks) and even then there are cheaper ways. Commented Dec 5, 2020 at 0:25
  • Should be the same procedure as for the Pi Zero: Pi Zero as HID: How to control PC Mouse from Pi Zero through USB? Commented Dec 5, 2020 at 12:26
  • @Andyroo thanks for the advice using VNC! Did not think of this alternative. Will try as well. I already have 10 keyboards laying around my desk and it was just a way to quickly connect an existing Pi 400 to another PI. Commented Dec 6, 2020 at 13:24
  • @MisterGin Would this help raspberrypi.org/blog/… I've not tried it but reads OK. Now if they had an iPad version I'd be happy... Commented Dec 6, 2020 at 16:56

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