𝕸𝖔𝖘𝖘@infosec.pub to What is this thing?@lemmy.worldEnglish · edit-22 months ago[Solved] About 4cm, powered by CR2477 batteriesinfosec.pubimagemessage-square6linkfedilinkarrow-up127arrow-down10file-text
arrow-up127arrow-down1image[Solved] About 4cm, powered by CR2477 batteriesinfosec.pub𝕸𝖔𝖘𝖘@infosec.pub to What is this thing?@lemmy.worldEnglish · edit-22 months agomessage-square6linkfedilinkfile-text
[Solvex: EcoBee Smart Sensor] About 4cm, powered by CR2477 batteries. Edit. Found another one, and this one had the top off.
minus-squarehomik@slrpnk.netlinkfedilinkEnglisharrow-up3·2 months agoI’d say the central component in the opened pic is a https://en.wikipedia.org/wiki/Pyroelectricity (PIR) sensor. Often used for detecting motion, but some models at least can do more.
![[Solved] About 4cm, powered by CR2477 batteries](https://infosec.pub/pictrs/image/a1977a87-3b05-47be-83ad-f01e8c538767.jpeg){kind=link}
I’d say the central component in the opened pic is a https://en.wikipedia.org/wiki/Pyroelectricity (PIR) sensor. Often used for detecting motion, but some models at least can do more.