Recently I upgraded our windows Halloween decoration with two items. Both are LED installations. Each is controlled by Attiny85 chip.
This one is the pumpkin with multi-colored eyes:
You can find place with source code, circuit diagram and some details here: https://github.com/jumbleview/pumpkin
This one is lighted ghost image.
Source code and circuit diagram is here: https://github.com/jumbleview/casper
Some additional description published on "Instructables".
Below is the video of three projects (two mentioned above plus my old project: "Moon with the Bat silhouette") installed in our home window.
