LCD4Linux can control a PalmPilot handheld running PalmOrb, a little progam that emulates a MatrixOrbital LK204-25 Display.
Instead of a real Palm, you can even use POSE, the Palm OS Emulator (that's where I got the picture from).
Display Section
Display <name> {
Driver 'MatrixOrbital'
Model 'LK204-25'
Port <string>
Speed 19200
Icons <number>
}
Parameters
| Driver | 'MatrixOrbital' |
| Model | 'LK204-25' |
| Port | serial/USB device the Palm is attached to (e.g.'/dev/ttyS2' or '/dev/tts/USB1') |
| Speed | 19200 (fixed) |
| Icons | Number of user-defined chars reserved for Icons (default: 0) |