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Velleman k8086 telephone ring detector with relay output electroni
velleman k8086 telephone ring detector with relay output electroni
Velleman k8086 telephone ring detector with relay output electroni
Velleman telephone ring detector kit velleman k8086 the velleman telephone ring detector kit means you can see as well as hear when someone is trying to call you ideal for use in noisy environments like factories and workshops the ring detector is also an obvious solution for the hard of hearing connected in parallel with a phone line the units powerful led flashes whenever phone rings the telephone ring detector is also available as a pre assembled module velleman k8086 telephone ri

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