HN.zip

I built a ceiling projection mapping of the planes flying over my house

104 points by frereubu - 13 comments
waltbosz [3 hidden]5 mins ago
The repo subtitle is `Project the aircraft passing overhead onto your ceiling, in real time — an X-ray through the roof.`

The demo video starts outside pointing at a cloudy sky with an airplane passing overhead. My mind, seeded with the word "x-ray", thought the outside shot was the video projection on his ceiling. I thought his rain gutters were crown molding, and when the camera man runs inside, I thought he was running outside to show the real life airplane.

The actual projection is neat, but how fun would it be to have an x-ray projection of the night sky.

notpushkin [3 hidden]5 mins ago
> The actual projection is neat, but how fun would it be to have an x-ray projection of the night sky.

Something like Sega Toys Homestar?

unzadunza [3 hidden]5 mins ago
It's a planeatarium
voidUpdate [3 hidden]5 mins ago
Their repo linked by someone in the comments: https://github.com/cpaczek/skylight
rootusrootus [3 hidden]5 mins ago
Not too many things make my jaw literally drop, but this did. This is magnificent!
ProllyInfamous [3 hidden]5 mins ago
I bought several 3b+ Raspberries a really long time ago and this seems like the perfect simple&breathtaking project for such ancient hardware. Who needs a fourth PiHole on their local network?!

"Fortunately" I live directly beneath CHA's main landingstrip, so lots of regular data available. Fortunately, I am not in the main takeoff path because that would be much worse.

ryandrake [3 hidden]5 mins ago
I've got a Raspberry Pi 2b I've been using for probably close to a decade, with two SDRs hanging off it, pulling aircraft ADS-B locations and VHF radio transmissions out of the sky. It's a great application for this platform. ADS-B scanner averages about 25% CPU and the VHF airband receiver averages about 17% (uses hardware FFT).
mikeweiss [3 hidden]5 mins ago
Wow so cool! I had daydreamed about doing something similar with e-ink display on my wall so I could see details about whatever plane I'm hearing.. but this blows that out of the water.
frereubu [3 hidden]5 mins ago
(To be clear, the "I" in the title is not me, the submitter - it's the title of the Reddit post).
JKCalhoun [3 hidden]5 mins ago
I'm sensing "The Conversation" levels of paranoia and it is beautiful.
ChrisArchitect [3 hidden]5 mins ago
Maybe this would be a better link: https://skylightceiling.com/

or the repo https://github.com/cpaczek/skylight

bronlund [3 hidden]5 mins ago
That is cool!
eben-vranken [3 hidden]5 mins ago
This is so awesome