This is what I was going to say. My whole goal when setting up sensing projects is to eventually get it to a point that I can automate it. And I'm just a DIY dude in his house. I've been working on the detection of cars through vibrations detected by dual MPUs resonating through my house. I don't mean to imply I've had great success. I can see the pattern of an approaching car but I'm struggling to get it recognized as a car reliably and to not overcount.
But yeah, totally been doing projects like this for a long time lol not sure why OP implies you wouldn't do that. First thing I thought was "Oh man I want to put it in the lake near me and see if I can't get it detecting fish or something!"
> First thing I thought was "Oh man I want to put it in the lake near me and see if I can't get it detecting fish or something!"
Same. Although my first effort with my hydrophone (in my parents pond) was stymied because they live on a main road and all I picked up was car vibrations.
Maybe that's your solution - get a fish tank/pond and hydrophone!
But yeah, totally been doing projects like this for a long time lol not sure why OP implies you wouldn't do that. First thing I thought was "Oh man I want to put it in the lake near me and see if I can't get it detecting fish or something!"