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Old 06-03-2012, 02:47 PM   #112 (permalink)
thingstodo
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Arduino, Logging and communications continued

To change the Chip_Select or CS, I think I need to cut a trace between pin 10, the present chip select, and the rest of the circuit. Then install a jumper from pin 8, my new chip select, to the orphaned `rest of the circuit`.

Looking at the board, Lady Ada at Adafruit seems to have the traces laid out to encourage this change. There is a through-the-circuitboard hole pad beside each pin to allow jumpers to be added, and there is a CS through-the-circuitboard hole pad that is presently connected to pin 10 with a narrow trace.

Cut the trace between the pin 10 through-hole pad and the chip select pad.
Solder a jumper between the pin 8 through-hole pad and the chip select pad.

It seemed so simple - why won`t it work... I can`t get the code to run for the real-time clock that used to run OK - library problems. I`m too dumb to figure out right now. Switch channels to another issue
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