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Hi, this project is aimed to build a low-cost simplest possible accessibility keyboard using MSP430 (MSP430G2452?), I've built something with Attiny85 V-USB in the past and I took a quick look to bbusb, mecrimus-B and boot430 but I don't really know where to start. The initial project would consist in a simple 5 keys keyboard that emulates a mouse, keys are LEFT, UP, RIGHT, DOWN and a central CLICK button. When the user presses a button, the mouse arrow should move accordingly. Similar devices exists in Italy and are currently used in schools but their cost is very high (around 300 $) and the families cannot afford to buy one to keep at home. I've been asked from a friend to help him building a low-cost device for the children and I immediately thought about launching a community effort on this forum. The device should work out-of-the-box without the need of drivers out of the standard mouse drivers already available on Linux and Windows . The prototype should be built on a breadboard with minimal components, tactile micro switch are just fine even if we are already thinking about using captouch or proximity sensors for some kind of people. Is the anybody interested or willing to help? Of course, the project code and schematics must be GPL (or other FOSS) licenced.
