The Pyroelectric infrared motion sensor can detect infrared signals from a moving person or moving animal, and output switching signals.
It can be applied to a variety of occasions to detect the movement of human body.
It specially designed for Arduino education and art creation. The maximum distance of it is 2-3 meters during testing.
Has CE and FCC certification and made function,voltage, current testing before packaging, it is really excellent and safe
How to use: search for "keyestudio wiki ks0052" in Google Chrome to get the wiki online tutorial for this product.