Hello, I want to use my RFID-chip and my SD-card. Both are one the same pins: 53 52 51 50. Can I use the pins multible times or do I have to use other pins?
Those are the SPI pins on a Mega. Are you using a Mega?
All devices share 50, 51, 52. Each device must have its own CS pin.
pin 50 is MISO, pin 51 is MOSI, pin 52 is SCK, pin 53 is the default CS. I would use pin 10 as the other CS,
The SPI pin pins now have different names in some places (PC). Up to you to figure that out.
Yes I use a mega (sorry)
Thank you
You are welcome.
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