this post was submitted on 03 Mar 2026
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Dynamic pricing could be coming to your local supermarket (www.abc.net.au)
submitted 2 days ago by Beep@lemmus.org to c/technology@lemmy.world
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[–] Agent641@lemmy.world 3 points 12 hours ago* (last edited 11 hours ago)

It will probably be wifi and mqtt. You don't need a whole OS to get mqtt, just a TCP/IP stack.

Possibly it will use BTLE or BT5. If the store is large enough it might make sense for staff to go around with android app and manually update some prices, in which case BT5 in SPP mode might make sense.