HEX is the human-readable format (msb first). In most cases (including Arduino) you can just copy-paste the msb first version. In some libraries (such as LMiC), you need to use the lsb first version.
HEX is the human-readable format (msb first). In most cases (including Arduino) you can just copy-paste the msb first version. In some libraries (such as LMiC), you need to use the lsb first version.