Simple Question - Multiple SPI Devices
hi! want use ra8875 driver adafruit control large tft screen. want use separate sd card reader. knowledge, both of these devices use spi communication. how can use them both 1 arduino? (either mega or due)
ra8875 driver
thanks!
ra8875 driver
thanks!
wire them same pins except chip select ( cs ) drive each 1 different pin, , put pin low on device want talk to.
if 2 devices not work same voltage levels arduino have add signal level shifting.
if 2 devices not work same voltage levels arduino have add signal level shifting.
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