#How to connect rfid to M5
10 messages · Page 1 of 1 (latest)
dont work
You don't. Get a pn532
Mine just arrived, do I have to solder 4 pin male to male connector on it?
yes, like the one that comes with sd card sniffer
4 pins for i2c and set the dip switches to i2c
Or solder a grove lead on