rektifier@sh.itjust.works to Technology@lemmy.mlEnglish · edit-21 year agoHow Passive Infrared motion detectors workwww.youtube.comvideomessage-square0fedilinkarrow-up12arrow-down10file-text
arrow-up12arrow-down1videoHow Passive Infrared motion detectors workwww.youtube.comrektifier@sh.itjust.works to Technology@lemmy.mlEnglish · edit-21 year agomessage-square0fedilinkfile-text