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Can it be used with cellphones?

April 26, 2017cellphones Used

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Can it be used with cellphones?

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The EkaPad is a standard PC USB keyboard which uses the HID keyboard protocols built into computers. We are not currently aware of cell phones that currently support external PC keyboards. Most PDA / cellphones which work with keyboards have proprietary type systems and do not support the USB HID protocols. When a PDA keyboard uses a serial connector or Bluetooth transmitter to connect with its PDA, it does not use the HID protocol but uses a proprietary keyboard protocol on the PDA. The prototype EkaPads we used for ergonomic testing and to test the general user experience were connected to Palm OS PDAs. But in this case we used a serial connector and had to create a driver for the PDA. Even if the cell phone has a USB connector (designed to connect to a computer for syncing data) it only means the cell phone is setup to be a USB slave to the computer, just like the EkaPad. Unfortunately, USB slaves can’t talk to each other.