SPI clarification


just making sure understand correctly:

spi uses clock, miso, mosi devices , 1 cs(oi pin) each device?   can use both digital , analog pins?

from micro controller:
four wires 1 device, +1 each additional device.  , check datasheet ensure work via spi before purchasing.

hi,
sounds right..

there might spi slave-only device don't recall one...

arduino analog inputs useable digital i/o.

the "default" spi pins on uno 11-12-13 mosi miso clk.  you can use other pins individual slave select. pin 10 slave select must set output.

see: https://www.arduino.cc/en/reference/spi has info...


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