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!
NXP NFC chip: https://www.nxp.com/docs/en/data-sheet/SL2S2602.pdf
SLRC610 RFID/NFC frontend: https://au.mouser.com/datasheet/2/302/SLRC610-1127743.pdf
Teardown PCB photos: https://www.eevblog.com/2022/03/09/eevblog-1462-dymo-label-drm-sucks/
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 when removing and inserting the roll
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NO SCRIPT, NO FEAR, ALL OPINION. An off-the-cuff Video Blog about Electronics Engineering, for engineers, hobbyists, enthusiasts, hackers and Makers. Hosted by Dave Jones from Sydney Australia.