The pixel LED metric box‘s brightness changes according to real time, and will work like a pixel mirror when motion is detected, then show a picture when the motion disappeared.
Progress by now
1.show the video of the web camera.
2. show a picture uploaded manually.
Add PIR sensor, then use people’s motion to trigger the LED from showing a video of camera to showing an image.
Add real time changing effect.–A related real time changing project.