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Are they just generic RFID tags or do they identify the items? If they identify the items there has to be an easy way to match the items in the cart vs what has
by johnward 11y ago
Are they just generic RFID tags or do they identify the items? If they identify the items there has to be an easy way to match the items in the cart vs what has been paid for, no?
- deleted 11y ago[deleted]
- bsilvereagle 11y agoThe cheaper alarms are just two magnetic coils working in conjunction. There's a nice write by Hackaday on them - http://hackaday.com/2015/12/03/how-store-anti-theft-alarms-work-magnetostriction/ http://hackaday.com/2015/12/03/how-store-anti-theft-alarms-w...
- cbhl 11y agoIIRC, it depends on the item. Some clothes have anti-theft tags that spill ink all over the garment if you don't remove them correctly. Other items (video games come to mind) seem to have a mass-produced chip sticker that is about the size of a rice grain.