[Gta04-owner] [ANN] GTA04 Keyboard prototype
Dr. H. Nikolaus Schaller
hns at goldelico.com
Mon May 14 11:11:16 CEST 2012
Am 14.05.2012 um 11:01 schrieb Christoph Mair:
> On Mon, May 14, 2012 at 10:55 AM, Denis Shulyaka <shulyaka at gmail.com> wrote:
>> MPR121 uses I2C 3.3v interface which I guess we've got.
> This chip can also operate from 1.8V which is what we have on the
> GTA04 (and the I2C bus also uses these levels)
Christoph didn't mention that there is already a driver for the MPR121
and hardware for experimentation was available through the Freerunner Navigation
Unfortunately it is no longer in production now (lack of demand).
If someone wants to develop such a touch keyboard, we
can help to get it produced and distributed for the masses.
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