I spent a lot of time looking for a small bluetooth food scale that I could put under my plate but wasn't able to find anything. If I ever find some free time I

I spent a lot of time looking for a small bluetooth food scale that I could put under my plate but wasn't able to find anything. If I ever find some free time I might try to make one. Would be cool if I could pull one out from my pocket, stick it under my plate, get a measurement then subtract whatever is left after I'm done.