Electronics > Open Source Hardware

Open source hardware usb keyboard receiver interface board or chip

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azAmps:
Long time reader 1st time poster.

I work with servers and I have a need for a custom keyboard. It would have about 100 buttons (keys), each would send an ascii string to the server. I need it to be wireless because I need to close the cabinet.
Im looking for a wireless usb dongle receiver. It needs to id itself as a keyboard on boot. I think Im just not searching for the correct terms. Can anyone point me in the right direction, does something like this exist?

Yes I know there are certain keyboards with macros etc, that I could program these string into.  and some other software based solutions. This is for a high security data center application and most of those devices are not allowed.

nidlaX:
There have been many many implementations, but this is the one I remember by name: https://github.com/tmk/tmk_keyboard

Note: If you need specific examples of a wireless implementation, there are projects that add Bluetooth to the TMK base controller. You can probably also roll your own protocol using some Nordic transceivers.

donotdespisethesnake:

--- Quote from: azAmps on February 10, 2018, 03:57:19 am ---Yes I know there are certain keyboards with macros etc, that I could program these string into.  and some other software based solutions. This is for a high security data center application and most of those devices are not allowed.

--- End quote ---

If your usb dongle identifies as a keyboard, then anyone can send keyboard data to it, bypassing security. You need to rethink your solution.

ogden:

--- Quote from: donotdespisethesnake on February 25, 2018, 09:26:16 am ---If your usb dongle identifies as a keyboard, then anyone can send keyboard data to it, bypassing security. You need to rethink your solution.

--- End quote ---

It's obvious - anybody who plugs USB keyboard into PC or server, can send keyboard data to it. He do not need to rethink solution. He need wireless keyboard with secure wireless connection. USB can stay as it is.

[edit] In case physical security of keyboards needed, then there are solutions as well:

http://www.belkin.com/us/Products/business/c/cybersecurity-secure-kvm/

ogden:

--- Quote from: azAmps on February 10, 2018, 03:57:19 am ---Yes I know there are certain keyboards with macros etc, that I could program these string into.  and some other software based solutions. This is for a high security data center application and most of those devices are not allowed.

--- End quote ---

What about those?

https://www.microsoft.com/accessories/en-us/aes-encryption

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