#cd4040 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cd4040, aggregated by home.social.
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Hack Together Your Own Bat Signal - Bats use echolocation to see objects in front of them. They emit an ultrasonic pulse around 20 kHz... more: https://hackaday.com/2020/07/11/hack-together-your-own-bat-signal/ #digitalaudiohacks #binarycounter #echolocation #heterodyne #ultrasonic #comic-con #cosplay #batman #cd4040 #lm386