Hi all,
finally, the GTA04A5 batch is ready for production and we are open for
pre-orders through
<http://www.handheld-linux.com/wiki.php?page=GTA04>
What will be different to GTA04A4?
* the GPS receiver can provide a 1 second impulse interrupt to the CPU
* the infrared receiver can be independently powered off (it was alternatively
powered with RS232 before)
* some sensors have been upgraded to non-obsolete versions (e.g. BMA180 is out
of production)
* WLAN/BT power controlled through a GPIO (so that VAUX4 is now free for other
use)
* 6-pin ZIF connector for external keyboard or other I2C devices
* it is possible to use a new earpiece (from Knowles) so that we finally can
offer a complete case kit
* the GPS antenna switch has been redesigned
* improved headset detection hardware
* CPU will be always 1 GHz and Memory 512MB RAM / 1GB NAND
* UMTS module may have newer firmware inside (tbc.)
* there is a plan for a 3D printed case (approx. 50 EUR) with integrated touch
pen
* there will be 3D data (STEP) of the PCB and components so that you can design
your own case that fits with a micrometer precision :)
Preliminary (there may still come minor changes coming from PCB
Layout tuning and from first production feedback) schematics can be found here:
<http://projects.goldelico.com/p/gta04-main/downloads/48/>
-- hns
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