On Thu, 6 Apr 2006, Christopher Friedt wrote:
> You would probably do well with connecting the 3.3 volt outputs from the
> arm board to an inverter array chip. Probably the 74LS05 (?? if memory
> serves correctly). What I would do is run the output from one inverter
> to another and you effectively have a buffer.
>
> Similarly, try to find buffers with 3.3 volt outputs for any input
> signals you might be reading.
check out the 74VHC logic series. They can be run on 3.3V power lines
and their inputs can take upto, I think 7V.
Jim
> ~/Chris
>
> Art wrote:
> > I have the TS-7200 board for developing some lighting control software.
> > It will have a web interface for configuring the device. It will also
> > control light levels with DMX protocal. I have a driver I programed on
> > an atmel AVR. I'm not sure about how to connect the board with this
> > chip using the SPI line of communcation. I'm not sure of the FRAME pin
> > in the spi communcation. I also note that the voltage is three volt on
> > the board and the driver has a five volt. I may then go with a CAN
> > interface if the SPI doesn't work.
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> > Yahoo! Groups Links
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> Yahoo! Groups Links
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