Have mercy on me, I'm not an electronics guy, but I am very comfortable with simple circuits. Total newb to most electronics terms, however I am somewhat familiar with some.
So here's the project:
I have a driveway alarm (Mighty Mule) that works very well. It has a small receiver with a little PCB speaker that plays several notes for a couple of seconds when triggered.
I'd like to hack it to drive a relay from this to the dry contacts of a z-wave door sensor. When the alarm goes off, the door sensor closes the dry contacts and the SmartThings hub turns on the driveway lights.
I measured some voltage on the speaker with a multi-meter. So I'm figuring I can tap this to a relay or something to close the contacts while it's playing it's "doorbell" tone. I want to keep the speaker announcing, just add some automation to the event.
Can I use a low voltage relay? That is simple enough for me to understand. If so, what kind. Solid state? Reed?
Or do I need to have some other circuit device.
So here's the project:
I have a driveway alarm (Mighty Mule) that works very well. It has a small receiver with a little PCB speaker that plays several notes for a couple of seconds when triggered.
I'd like to hack it to drive a relay from this to the dry contacts of a z-wave door sensor. When the alarm goes off, the door sensor closes the dry contacts and the SmartThings hub turns on the driveway lights.
I measured some voltage on the speaker with a multi-meter. So I'm figuring I can tap this to a relay or something to close the contacts while it's playing it's "doorbell" tone. I want to keep the speaker announcing, just add some automation to the event.
Can I use a low voltage relay? That is simple enough for me to understand. If so, what kind. Solid state? Reed?
Or do I need to have some other circuit device.