Recommendations for motion sensors?

Wondering what’s out there to tinker with that I can hook up to maybe Shortcuts, Pushcuts, IFTTT, etc.

I saw this, but it’s got a very ‘Eye of Sauron’ vibe, and kinda pricey. :slight_smile:
https://www.amazon.com/dp/B01KOGDETI/?coliid=I1VVQFMNGVW69H&colid=3TBNBSJ0PT3QZ&psc=1&ref_=lv_ov_lig_dp_it