byte tagEPCBytes[50][12]; //<<<<<<<<<<<<<<<<<<<<<<<<
if (nano.check() == true)
{
byte responseType = nano.parseResponse();
if (responseType == RESPONSE_IS_TAGFOUND)
{
long timeStamp = nano.getTagTimestamp();
byte tagEPCBytes = nano.getTagEPCBytes(); //<<<<<<<<<<<<<<<<<<<<<<<<
warning: unused variable 'tagEPCBytes' [-Wunused-variable]
byte tagEPCBytes[50][12];
set your compiler warnings to ALL
