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I have around 5 computers, and having 5 keyboards is 4 too many for me right now. What I want to do is connect my Kinesis Advantage (wired) keyboard to my raspi, have the raspi redirect all incoming keystroaks to one of the 5 computers, and toggle between the selected computer via shortcuts (ie. SHIFT + F1 through toSHIFT + F5), observe:

keyboard signal redirects

As can be seen, I am redirecting to multiple operating systems, for this reason, and the fact that I dont want to use ssh or X11-forwarding, I want use an existing wireless/bluetooth keyboard dongle thingy like this one:

Keyboard dongle

Then have one dongle connected to each of the 5 desktops, and have my raspi wirelessly transmit all the captured keystrokes. What I don't fully understand is how to capture all the keystrokes and more importantly how to transmit them wirelesly. To complicate matters even further, I would also need to carry out the above for a [wireless] mouse.

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    Check out synergy-foss.org it may do what you want.
    – Steve Robillard
    Oct 31, 2013 at 4:36
  • @SteveRobillard yes I already looked at that, and it is software level, which I am worried about. For example, gaming could lead to problems. This can be rememdied by locking the mouse to a screen, but it also presents other problems (ie. oversensitive mouse during gaming).
    – puk
    Oct 31, 2013 at 4:47
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    Any method of abstracting the mouse/kb will have some of these if not all of these problems especially in a gaming environment. Have you considered a KVM switch>
    – Steve Robillard
    Oct 31, 2013 at 4:52
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    if it ain't broke don't fix it. Remember how old the keyboard and mouse are.
    – Steve Robillard
    Oct 31, 2013 at 5:04
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    For five computers yes, but if you can get away with only 2 they are roughly the size of the pi (plus the cables).
    – Steve Robillard
    Oct 31, 2013 at 5:13

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Have a look at Synergy. I've been using it for 4+ years daily between an Ubuntu box and a Windows one. Granted, it wasn't for gaming but I haven't noticed lag.

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