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Connect an AT Switch as a PC Keyboard for under $20

Background: What are AT Switches?

People with physical challenges often are very limited in their ability to make precise movements with their arms, fingers, etc.  (This is known as having poor “fine motor” control.)

This severely limits their ability to control things like keyboards, mice, pens and pencils.  If the person is also unable to speak, they may have no way to communicate.

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