The poor man's wearable computer
Why this project?
A wearable computer is quite expensive, (a good wearable screen 500$ and a good
wearable main board 400$). On the other hand are digital camera's very very cheap
(a Gsmart cost around 75$) while they contain almost the same hardware. So this
projects goal is to transfor a digital camera (more specific a Gsmart 350) into
a wearable computer. The Gsmart contains following features:
- Clarity 2 ASIC (application specific): ARM 720T processor at 48Mhz
- 2 Mb ram not very much, but sufficient i hope
- 1 Mb Flash disk
- Connector for CF cards for extra storage room
- Kopin Cyberdisplay 320*240 24bits color 60 full color frames/sec
- and an optical sensor off course (always nice on a wearable ...)
What hardware has to be added?
- Sound! the ASIC has an I²S interface so all we have to do is add a codec. To
have sound input/output.
- Connectors to acces the RS232 and I²C interface (hardware is already integrated)
- An input device to be able to type on the wearable
- JTAG interface if on target debugging is required
wich other camera's could be used?
All the camera's using an Clarity 2 ASIC will be supported (note that not all those camera's
have a cyberdisplay).
Hardware stuff