Linptech give me ES1 sensor for a review, which is a 24GHz radar presence detection device which reliably reports room occupancy in all the scenario I tested it. The illuminance sensor and the detection distance offers some advanced automation capabilities.
Amazon US: amzn.to/3VJYvb0
Aliexpress: s.click.aliexpress.com/e/_Dnn...
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Chapters:
0:00 Intro
3:03 Testing in a small room
8:11 Long corridor
11:47 Living room
17:09 Bedroom
19:15 Outro