Stuart Poulton <[email protected]> wrote:
> Ok, firstly GPIO's on the RPi are 3v3 not 5v so not suited to longer
> distance, there is no buffering or protection present.
3.3V to 5V converters are not that much of a problöem. One could even use an
Optocoupler for galvanic isolation.
> I believe that an i2c driver chip provides a more robust solution than
> simply bit banging a GPIO pin.
It probably does, but for the sake of simplicity I think that many people
prefer a solution without SMD components.
Sven
--
The main thing to note is that when you choose open source you don't
get a Windows operating system.
(from http://www.dell.com/ubuntu)
/me is giggls@ircnet, http://sven.gegg.us/ on the Web
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