Monday November 24th
Sunday November 16th
Thursday October 9th
A dark detecting circuit for your jack-o'-lantern 20562
Here's an inexpensive electronic circuit that you can build to put in your Jack-o'lantern. It provides power to drive a few LEDs at night, and automatically turns them off during the daytime. It's a simple and automatic dark-detecting circuit that you can use to for your very own photosensitive pumpkin.
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Tuesday July 29th
http://www.comicbookmovie.com/batman_movies/videos/?v=56
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