There's a couple mouse and keyboard setups out there you should look into. XIM4 is the best set up but can cost a pretty penny. Hit up reddit, I saw some guy that was reviewing mouse + keyboard setups.
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My situation is complicated, unfortunately, mouse and keyboard is practically impossible for me to use. I have extremely limited wrist movement, and my palm isn't fit for resting in the required position. Thanks though, I appreciate the response.