On Wed, 20 Jun 2007, Ian Stirling wrote:

[EMAIL PROTECTED] wrote:
 for non-invasive prototyping, there is also the usb port.


That's really quite annoying to use though - as anything more than -1th generation prototype. You need external power, a plug that makes the phone unusable as an actual portable phone when plugged in, and a seperate unit.



as i said, it's for prototyping, and for doing it w/out opening the phone. i'm
not claiming anything else.

here's a simple CHEAP USB AVR development board. one of the demonstration
programs emulates a mouse; it would be so simple to modify that to do a slider
interface, and no drivers to cross-compile. plenty of undedicated IO pins to
interface to slider technology of your choice. hard to beat at $30:
http://atmel.com/dyn/products/tools_card.asp?tool_id=3879

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