It’s not alexa, but it’s HA style cloud-free and it works perfect for this sort of thing. For example, I get a real doobell sound from the speakers when someone rings the bell, and I have voice prompts (mp3’s generated by audacity using google tts) for things like “dryer load is done”, “garage door left open”, “master bath shelly overheating”, “front door opened”, etc… no internet required since it’s just playing local mp3 files from an sd card. I use a GPIO output on the pi to drive relay, but I do have something for other ‘quieter prompts’.Īre you decent at soldering? If so, you could do what I do and place some wemos d1 minis with dfplayer minis around the house, and use automations and mqtt to trigger playing of specific mp3 files. I have a very loud 12VDC alarm siren hooked to relay next to my pi3. I was going to say, it sounds like you need something more than a siren.
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