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463 points bookofjoe | 1 comments | | HN request time: 0.228s | source
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troysk ◴[] No.45129837[source]
I do it using MMWave sensor, 60Ghz one. Want to have more of them but installation is a pain as these need to be mounted on ceiling so WiFi based sensor would be awesome!
replies(2): >>45130083 #>>45130421 #
cweagans ◴[] No.45130083[source]
Do you have a writeup about this somewhere? I'd love to know more.
replies(3): >>45130140 #>>45130211 #>>45150761 #
yurishimo ◴[] No.45130140[source]
You can buy them on Aliexpress for $5. YouTube and a cursory google search will give you many many options to choose from for examples and tutorials.
replies(2): >>45131898 #>>45150774 #
1. troysk ◴[] No.45150774[source]
don't get the $5 ones, they are probably just presence detector or at best distance detector and probably work on 24Ghz. Get the 60Ghz for breathing, heart rate, posture etc.