how to connect siren on add on board

is there a way to connect an additional siren to the Konnected ADD ON board, there are 10 connection points on the add-on board 1-6 + G with the 10th being "out", verses 9 pins 1-6 + G on the main board.

on the main Konnected board the other connections are Aux- Alarm+ Alarm-

on the Add On Konnected board the other connections are Aux- Aux+

  • I am having the Add On board and can't figure out how to connect to my 3 wire siren. I am suppose to connect to the 3 pins that says +5V, GND and OUT?

  • ¬†Most sirens are 12v + and - so two wires (although they usually have a 12+ for continuous tone and a 12+ for a warble tone so you just use one of those wires and you would need to use a relay board to connect a siren to the Add-on board.¬† The diagram at could use the aux + and - instead of the external power supply.

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