Hi, did anyone try to detect washing machine or dryer emd sound with OpenHAB?
My raspberry Pi running the OH is in the same room with those machines so I thought it might be good idea to do it that way. The machine emits characreristical tone when ended.
I tried to search but I didn’t find anything similar on this forum. I am aware of the solutions that use power meters.
Maybe you could hook up something like this? Sound Detector Hookup Guide - learn.sparkfun.com I’ve never tried it, but it looks interesting. You might prefer a tone detector, not a sound detector, but this one looks simple and cheap and might be worth a try.
Thanks @chrismast, I had a look but I don’t think that is what I am looking for. I would need to detect the sound tone pattern, not just the noise. Sound detection only might for example detect the centrifuge noise and trigger the output.
Thanks for the suggestions. I agree that would be interesting to try to detect the chime, but unfortunately I don’t have the time and knowledge (which again corresponds to time to learn something new), so I will go the power meter way for now.
To clarify, my idea was to check if it was posible to connect a microphone to the rPi audio input and try to detect the chime, similar to how “Ok Google” is triggering the smart speaker, and communicate that to OpenHAB somehow. (Although at this moment I am not even sure that the 3.5mm connection has mic input, never tried it)
very good input. I also thought about this connection. Reason is that I’m baking bread and my oven talks to me with several sound patterns but unfortunately the kitchen is far away from my home office so I can’t hear it which leads to sometimes dark bread (also good). So I’m looking for a solution to analyse the sounds and tranfer it into messages … and like you I’m not the real IT-specialist …
The sensor data could be scraped from the sensor web page or maybe use the api request, if available for the sensor. API is available for ‘pro’ sensors. I use both methods for many other technoline mobile alerts sensors.