I have a arduino mega with the adafruit nfc shield which I send messages to from an android phone using NFC.
However after a certain size of message, parts of the message are altered in transit.
I am expecting:
But I receive:
It always seems like the message is the same up to the 56th byte, but changes after that and is different every time I send one.
Anyone have any ideas what could be causing this?
If the message is small it arrives no problem without any changes, however I need to be able to send larger messages. So far from what i have tried i can send messages of up to 54 bytes, anything larger than that the message arrives different that sent by the phone.
Let me know if I should post any code.
Thanks for any help.