Don’t buy the new Dymo 550 or 5XL label printers, they now use DRM NFC/RFID technology in the paper rolls to force you into using their labels at 10 TIMES the cost!
EFF:
NXP NFC chip:
SLRC610 RFID/NFC frontend:
Teardown PCB photos:
Forum:
00:00 - Dymo SUCKS!
01:49 - The reviews are not kind! LOL
04:37 - ANYTHING will be cheaper than Dymo
05:38 - Who is this Newall company?
06:33 - How you can fight back against DRM
07:26 - Think of the supply chain!
08:17 - Reading the RFID/NFC tag data
11:39 - Proof they are incrementing a counter in the RFID chip
12:38 - Lets print
13:29 - Teardown
14:52 - UART/BOOT investigation
16:15 - Logic analyser time
20:01 - Packet testing