Check out this cool Bat Signal light from the guys over at .
To make your own you will need the following:
- A couple of old packaging bottle caps (shower bottle and single serving drinks bottle, or something similar)
- Some thick tin foil (take out tray, or aluminum roofing / flashing tape) although thin foil will work
- A cheap USB Laptop light (or the appropriate LED, wire, correct resistor and USB Plug
- A small piece of clear plastic sheet (OHP sheet or bit of old packaging)
- Some cardboard and or foamcore (not necessary but nice)
- Some low value loose change
- Soldering iron
- Hot Melt Glue gun
- Black and silver paint (spray or markers)
- About 1.5 to 2 hours to spare doing this project
Step-by-Step Instructions
Creating your own Bat Signal light can be a fun and rewarding project, especially for fans of the Dark Knight. Here’s a more detailed guide on how to assemble your very own Bat Signal:
1. Prepare the Bottle Caps: Start by selecting two bottle caps of different sizes. The larger cap will serve as the base, while the smaller cap will be used to hold the LED light. Clean them thoroughly and set them aside.
2. Create the Reflector: Cut a piece of thick tin foil to fit inside the larger bottle cap. This will act as a reflector to enhance the brightness of your Bat Signal. Secure the foil inside the cap using hot melt glue.
3. Assemble the LED Light: If you’re using a USB laptop light, disassemble it to extract the LED and wiring. If you’re using a separate LED, wire, resistor, and USB plug, solder them together according to the LED’s specifications. Ensure the connections are secure and insulated.
4. Mount the LED: Attach the LED to the smaller bottle cap using hot melt glue. Make sure the LED is centered and pointing upwards.
5. Create the Bat Signal Template: Draw or print a small Bat Signal logo on a piece of clear plastic sheet. Cut out the logo carefully to create a stencil. This will be used to project the Bat Signal.
6. Attach the Stencil: Glue the Bat Signal stencil to the top of the smaller bottle cap, ensuring it is aligned with the LED light.
7. Assemble the Bat Signal: Place the smaller bottle cap (with the LED and stencil) inside the larger bottle cap (with the reflector). Secure them together using hot melt glue.
8. Add Finishing Touches: Paint the exterior of the Bat Signal with black and silver paint to give it a sleek, polished look. Allow the paint to dry completely.
9. Test Your Bat Signal: Plug the USB into your computer or a USB power source. Turn off the lights and project your Bat Signal onto a wall or ceiling. Adjust the positioning as needed to get a clear projection.
Additional Tips and Tricks
– Customization: Feel free to customize your Bat Signal with different colors or designs. You can use different shapes or logos to create unique projections.
– Portability: Consider adding a small battery pack to make your Bat Signal portable. This way, you can take it with you to parties or events.
– Durability: Use sturdy materials to ensure your Bat Signal lasts longer. Reinforce weak points with additional glue or tape.
– Safety: Always exercise caution when using a soldering iron and hot melt glue gun. Work in a well-ventilated area and keep a fire extinguisher nearby.
Head on over to for full details on how to make one.
via and Everything USB
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