Make: Projects

Make Lightning

Create your bolt from the blue!

  • By Mortltd
  • Category: Electronics
  • Time Required: 45 minutes
  • Difficulty: Moderate
Make Lightning

I have been fascinated with arcs and sparks, bangs and pops ever since I created an arc with a busted power adaptor.

One day I thought about making a proper "big boys’ toy" that would be safer and more convenient.

Steps

Step #1:

Next
Make Lightning
  • Mains voltage is extremely dangerous and should not be used in this project. Even though the voltage from this project is high enough to arc, it is not deadly.

Step #2:

Next
Make Lightning
  • First you need:
  • 120v or 240v to 9v power adaptor
  • Enclosure
  • Wire
  • Terminal posts
  • Not shown: tactile switch
  • Connector socket

Step #3:

Next
Make Lightning
  • Solder the components according to the diagram.
  • Don't forget to reverse the transformer so that you put power into the output terminals.

Step #4:

Next
Make Lightning
  • Now, put the electronics in the enclosure and make a foot switch.

Step #5:

Make Lightning
  • Finally, put 12v into the input socket and Presto! You have your own high voltage power supply that can be connected to a Jacob's Ladder (basically, put two lengths of coat hanger wire close enough for the arc to jump across at different positions). Have fun!

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