I was curious if there is an automation device that can listen for a given cue like say the buzzer on a washer or dryer and use it to send notifications? I don’t even know what to call it to search for it on google…
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I’ve no experience with any of this stuff but what if you hooked up a sensor inside the washer and dryer that uses the buzzer’s electrical signal?
That might be easier and way less CPU insensitive than constantly listening for and identifying the sound.
You know, the rest of us are using a smart plug with energy metering to find out if the dryer is finished.
I’m curious what brand of smart plugs will notify you when power usage drops? Neither my Kasa nor DLinks have that ability.
Or do you have something else watching the power draw and detecting the drop?
Or do you have something else watching the power draw and detecting the drop?
This. I have never done it myself, but I would imagine this would be fairly trivial with home assistant. The plug reports it’s power draw back to HA regularly, and HA has a trigger for when [a value] goes above/below [a certain figure].
So set something up like “Plug currently consumption falls below 5W, trigger notification.”
Any ESP8266-based or Zigbee smartplug will do. If you get an ESP8266-based one, get one that comes with Tasmota preinstalled, then you don’t need to open it up and flash it. Don’t get an ESP32-based one.
If you run Tasmota or use a Zigbee plug, you need to do the detection in Home Assistant or Node-RED or whatever you’re using. Personally I do it directly in ESPHome:
binary_sensor: - platform: analog_threshold id: machine_running name: "Washer running" icon: mdi:washing-machine sensor_id: power threshold: 5 filters: - delayed_on_off: 60s
Alexa can listen for certain sounds. iPhones can. HomePods can listen for fire alarms.
Or you could grab a raspberry pi and TensorFlow and make your own.