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Reader not detecting tag #64

@ncls-alien

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@ncls-alien

I already saw this issue on here but nothing came around so I figured I'd bump it again.

So basically I'm using the following code:

from RPi import GPIO
from mfrc522 import SimpleMFRC522

GPIO.setmode(GPIO.BOARD)
reader = SimpleMFRC522()

try:
    print('Hold your tag near the reader')
    id, text = reader.read()
    print('ID:', id)
    print('Value:', text)
except KeyboardInterrupt:
    GPIO.cleanup()
    raise
finally:
    GPIO.cleanup()

This gets to the reader.read() call but then just never continues, even though I hold my tag near the reader.
The reader's LED is also blinking so it is doing something (hopefully reading) but I never get to the print statement.

Using:

  • Raspberry Pi 5 (RPi.GPIO is from rpi-lgpio for compatibility with Pi 5)
  • Python 3.11.2

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