botMB to Hacker News · 2 days agoInside a $1 radar motion sensor10maurycy10.github.ioexternal-linkmessage-square0fedilinkarrow-up17arrow-down10file-text
arrow-up17arrow-down1external-linkInside a $1 radar motion sensor10maurycy10.github.iobotMB to Hacker News · 2 days agomessage-square0fedilinkfile-text