Concerning resolution: I'm going to be using these pots in an audio device. Should I be concerned about resolution. Right now I'm looking at pots with 1000+ resolution but these are kind of expensive and not available through my usual part supplier. I guess I'll just start small and work my way. I really appreciate the help.
Carson
rtstofer <rstofer@pacbell.net> wrote: --- In oopic@yahoogroups.com, carson hoyt <carr6565@...> wrote:
>
> Hi everyone,
>
> From what I've read digital potentiometers use I2C ports to
interface with other devices, but some only require a I/O line. From a
programing perspective it would be really great if I could pretend
they were servos. I also couldn't find an object specifically related
to them. Does anyone have any experience with them, some advice about
'what kind to use' would be great? Thanks for the help I'm just
trying to get a variety of perspectives on the subject before I go out
and buy one for my next project.
>
> Carson
I have used the I2C version with great success. You would just
connect it to same I2C bus as the EEPROM and use oI2C to talk to it.
You can use the SPI version as well with oSPIL but there may be issues
with the oSPIL object not talking to standard SPI devices. YMMV...
Richard
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