12 V Relaismodul 8 Kanal Relaisplatine DTMF Audio Decoder Relais Fernbedienung
28,48 €
The majority of smartphones and functions machine are DTMF code. Self-locking: Dial 1, relay 1 "Open", dial 1 again, relay 1 "off", and so on. Inter-lock: Dial 1, relay 1 "Open", other relays "Off"; dial 2, relay 2 "Open", other relays "off", and so on.
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