The Plexi Project’s goal is to give life to a LED backlit plexiglass photo print I made.
The original photo is a vertical panorama shot downtown Montreal. I had it professionally LED framed by Fulux. But I feel the piece is missing a little life of it’s own. When I want to see it, I have to turn it on manually.
I figure there are two variables controlling the intensity of the print’s lighting:
- People: There has to be people in the room potentially looking at the piece or being illuminated by it.
- Ambient Lighting: The ambient light should control the amount of light driving the print so that it blends into it’s environment.
So I will make a dual sensor from a photo resistor and an IR motion detector.
List of parts used for the “Proof of Concept”
- Arduino Uno
- Passive Infrared Sensor (PIR)
- Photo resistor
- TIP 120 Mosfet
- 2x 220 ohm resistors
- 10k resistor
- 2x male power connectors
- female power connector
I’m think about using this Mini PIR from Parallax for the project. Since I want the attention to be on the print instead of on the electronics ;-) The range is not as long, but I think it will be good enough.
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