DiscoverCircuits.com, has 30,000+ electronic
circuits, cross-referenced
into 500+ categories. We have searched the web to help you
find quick design ideas.
We make every effort to link to material posted by the designer.
Please let us if you would like us to link to or post your
design.
Halloween Flashing-Eyes Badge: Two-LEDs act as eyes following the rhythm of
music or speech. 3V Battery-operated device suitable for pins or badges.
(added 3/05)
Haunted House Effects: Descriptions of my home-built Halloween haunted house
special effects with pictures and spooky links: Light Beam Sensor. (added 07/05)