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Author Topic: Is there a 3rd SS pin available for SPI use one the Arduino Uno?  (Read 499 times)
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redtank
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« on: May 02, 2012, 05:02:05 pm »
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Hello,
I'm using an Arduino Uno Ethernet board that has a built in SD card reader. Pin 4 is being used to control the SD reader, pin 10 is used to control the ethernet controller.
Is there a third SS pin available to control a TTL Serial JPEG Camera? If not, is there another possible hardware solution?

Thanks,
Cris
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Graynomad
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« Reply #1 on: May 02, 2012, 06:11:02 pm »
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Use any pin you like set as an output.

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Rob
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Rob Gray aka the GRAYnomad http://www.robgray.com

redtank
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« Reply #2 on: May 02, 2012, 08:31:16 pm »
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Rob,
That was the answer I was looking for, thanks, will give it a shot!

Cris
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doughboy
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« Reply #3 on: May 04, 2012, 11:32:32 am »
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ok this got me curious.
if the camera you described is TTL serial, then why you need another SPI chip select pin? I would think you just need rx,tx and gnd.

you are referring to this camera right?
http://www.sparkfun.com/products/10061
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