EEVblog #1287 - Gatekeeper Shopping Trolley Lock Investigated

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Duration: 26:00
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Dave's local shopping centre just installed shopping trolleys with electronic locking wheels fro ma company called Gatekeeper System, how does it work?
Teardown time!
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Tags:
eevblog
video
gatekeeper systems
gatekeeper systems shopping cart
shopping trolley wheel lock
wheel lock
shopping trolley
teardown
inductive coupling