MatthewJeffson
commented
6 months ago Thank you so much for the question above and it seems the solution can be found here: https://forum.seeedstudio.com/t/125khz-rfid-module-simpler-wiegand-code/14634/4 I will try to inform the product manager. Best Regards
About that page: https://wiki.seeedstudio.com/Grove-125KHz_RFID_Reader/#hardware
I had trouble reading my Dongles and it seems that you not only need to change the jumper when switching from UART to WIEGAND, in my case I also needed to change Pin 2 & 3
Find my Tests and code here https://forum.arduino.cc/t/trouble-converting-wiegand-w26-output-to-dec/1221511