how to use a kindle keyboard usb windows

You could also connect an external power source (batteries or power supply).ĭepending on what model keyboard you have, it may be necessary to buy or build a level-shifter circuit to convert between different TTL voltage levels. You might be able to locate a source of battery power inside the kindle as well, but this requires some level of electronics expertise.

There are kindle opening instructions for the different model in this forum and elsewhere as well. Other kindle models have the serial connector inside and require opening your kindle to access the serial port. Because the keyboard does not supply power, you can get power from the upper slot in the left side, but the bottom connector mus be adapted to short the bottom two pins in the lower slot to turn on battery power to the upper slot. The kindle 3 has the serial I/O jack available at the lower slot in the left edge, and there are instructions on this forum how to make a connector and cable for it. Do not get a keyboard that uses BlueTooth. You can get external foldable keyboards for PDA pocket computers that use serial I/O on ebay for about $5 to $10.

How to use a kindle keyboard usb windows