Not really holograms, but mp4s with special effects to make fake holograms --particularly when projected on glass.
I was going to do it last year, but it was too pricey for a marginally decent projector. This year, the price was half.
It's on the glass front door.
Ghostly Apparitions Trailer on Vimeo
https://vimeo.com/210672018
fun! I hope I see some of these tomorrow when trick-or-treating with the kids.
I just spent $15 for 3 scenes of zombies clawing at the door. hhh
It's good enough that Louise gets shivers watching it.
Those are really good. What do the projectors use lasers?
>laser
No, it says it's LED. It's pretty crappy, IMO, but it gets this job done cheap.
Only 3 components
Projector currently has a coupon. My delivered cost was $71. Be forewarned, the UI is extremely clunky.
https://www.amazon.com/gp/product/B07DDF58XM/
https://www.amazon.com/gp/product/B01K32HS6S/
I later added 3 zombie scenes downloaded from their site.
2 yards of fabric for translucent screen on glass
https://www.amazon.com/gp/product/B006ZE2OZY/