Thermal sensors for presence detection

WHat do you think of these?

https://www.mouser.it/search/refine.aspx?Ntk=P_MarCom&Ntt=103485542

or any other suggestions?

At 42GBP = 60 USD each it seems quite expensive… they don’t even come with a box :face_with_raised_eyebrow:

Do you really need static presence detection?

Oh yes, is one of the most important WAF.

She (and rest of the family) hate that lights turn off (and they do turn off) when still inside a room, but the PIR sensor did not trigger: a common scenarioin nowadays computer era (people watching computer screen without moving a muscle)

agreed, if cheaper alternative available would be great.

Hey, did you ever found a Cheaper alternative?