I suppose I should add a few words. I placed the images in an empty post several days ago, and sort of forgot to update the text on mi telephono.
Well, long story short. I put together the little POC using my PIR sensor a while back. The shit deal, is that the sucker only writes high and low. Easy, for the win. Limited, for the loss.
I may or may not have (I did) disassembled a few CRT TVs last month. Hence, have all sorts of components, such as small sub 9V speakers…
I’m trying to do something with a dual speaker setup, in order to shine up my bugler alarm project. The code is boring…stay tuned…I might be able to come up with something amusing.