Why do you need gpio for the RC522
Just enable the SPI device with sudo raspi-config
I do have some code in python to read the RC522 if you are using the SPI version.
https://github.com/danjperron/MFRC522-python
One using arduino for remote post using rs-485
https://github.com/danjperron/modbusMFRC522
Just enable the SPI device with sudo raspi-config
I do have some code in python to read the RC522 if you are using the SPI version.
https://github.com/danjperron/MFRC522-python
One using arduino for remote post using rs-485
https://github.com/danjperron/modbusMFRC522
Statistics: Posted by danjperron — Wed Mar 20, 2024 2:58 am