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Me_irl
(thelemmy.club)
All posts need to have the same title: me_irl it is allowed to use an emoji instead of the underscore _
if there is a battery failure, you can use a 9V battery to provide temporary power to the lock. so I keep a couple in the garage behind another electronic lock. and if that fails, I'll borrow a 9V battery from a neighbour
Mine has a secret charge port so you can just plug in any battery or even your phone.