Arggg!! I forgot about that. You must use unsigned char array or byte array rather than char array for that Udp.write() function.
Or you can type cast it
Udp.write((byte*)ReplyBuffer,20);
Arggg!! I forgot about that. You must use unsigned char array or byte array rather than char array for that Udp.write() function.
Or you can type cast it
Udp.write((byte*)ReplyBuffer,20);