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Old 7th Dec 2017, 8:42 am   #6
dagskarlsen's Avatar
Join Date: Jan 2008
Location: Hakadal, Norway
Posts: 387
Default Re: Sterdy door phone handset/cradle

Not easy to guess on such voltage, but other buzzers for 10-12 V AC I have seen has had around 100 ohms resistance, so I would take the chance of try for 1 second.
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