Whether you're a DJ or just a fan of Christmas with a string of lights, making lightbulbs flash to the beat of your music is a fun thing to do. Believe it or not, synchronizing lights and music is actually extremely easy to accomplish, and helps you add that visual pulse to the groove of the tune. With only a few simple materials and half an hour of work, you'll have a homemade music-to-light adapter that you can plug any bulb into, creating your own audio-visual show.
Things You'll Need
- 15A relay
- Outlet adapter
- Extra power cord
- Soldering iron
- Sharp knife
Unscrew the casing on the primary speaker. This is the speaker to which the power cord is connected. Heat the wire connections to the actual speaker part; inside, until you can pull the speaker loose from them. Solder these two loose wires to the two left-most connections on the relay.
Cut a hole in the back of the main speaker's case and run the non-plug end of your power cable through it. You may have to cut off the end and strip the wires to do this. Cut two small notches in the top of the case and stick the plug ends of the outlet adapter through it. Secure the adapter with glue or solder.
Solder the left plug end of the adapter to the right-most relay connection. You may need to use extra wire in between the two to connect them. Solder one of the two wires from the power cable to the right plug end, and the other power cable wire to the last connection on the relay.
Unscrew and remove any speaker arts left in the case and screw the case shut again. Plug a light of your choice into the outlet adapter. You can use a string of Christmas lights, an ordinary bulb, or even a small light inside a jack-o-lantern for a spooky effect.
Plug in both the speaker's power cord and the extra power cord. Plug the speaker's audio cable into a source of music, and press play!
- Photo Credit christmas lights image by Tomasz Wojnarowicz from Fotolia.com
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