The stupidest thing I own ist this:
@Behringer #Beatcounter #BC100. You tap it 8 times and it spits put the BPM (more or less accurate).
I bought it for 1€ when it went out of production. Actually I boght 10, but I don‘t know where the other 9 went. I gave them away, I think. But this one reminds me of simpler times…