Hi,
Is it possible to have 4 devices that use SPI with different chispselect pins? I read the arduino due has 3 chipselect pins, that are 4, 10 and 52. Is it possible to add more somehow?
Or maybe or maybe two devices can share a pin and change the connection with a relay?
If for example it is not possible to add new chipselect pins. Is it possible (i mean feasible) to have for example three external adc, one in each CS pin, use them to measure, then change one pin (for example number 4) with a relay to connecto to a external sd card and use it.
Thanks