Hilitand AD22A08 DC 12V 8CH DTMF Relay Phone Voice Signal Decoder Remote Controller Switch Module

Features: The majority of smartphones and functions machine are DTMF code.  The default control command is 1/2/3/4/5/6/7/8.  Specifications: Maximum Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC Instructions: You need two phones, one as a receiver (phone_1), the other one as a transmitter (phone_2); mobile phone_1 connected by DTMF audio cable 3.5MM audio controller (the controller to be powered), and then using phone_2 ( may be a fixed telephone) call the phone_1, phone_1 answered, so that two phone call each other; then dial 1/2/3/4/5/6/7/8 by phone_2 keypad to control 8 relays . Glossary: NO: Normal open COM: Common terminal NC: Normal Connect Relay open: COM connected NO but disconnected NC Relay close: COM disconnected NO but NC connected COM. Non-locking (Momentary ): Dial 1 (2/3/4 is the same), relay 1 "Open", relay close after 1 second delay 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 "Delay": Dial 1, relay 1 "Open", relay 1 "Close" after a time Mode selection: Eight modes of operation, electric iron jumper (picture above) on the pads Wiring diagram: 1 Control 12V circuit, the wiring as shown below. Load "LOAD" can be LED lights, fans, motors, routers, and other 12V equipments 2 DC 1-110V or AC 85-265V circuit, the wiring is shown below. Load "LOAD" can be LED lights, fans, motors, and other kinds of voltage AC and DC equipments.