http://www.instructables.com/id/Creative-Switch-Faucet-Lamp/

Step 1: Things You Will Need

• Faucet
• 6 LED’s
• 2 #v Button Batteries
• Electrical Tape
• Wire
• Wire Cutter
• Wire Stripper
• Solder
• Solder Iron
• 2 Potientiometera
  • Possible Supplies
    • Heat Shrink
    • Wax

Step 2: Tape Around The Edge of BatteryWith Electrical Tape

Also tape the inside of faucet where the battery will sit.

Step 3: Solder all the anodes sides of 3 LED’s together

Split the Led’s up into groups of 3

Then solder all the anodes together

Step 4: Solder All the Cathode Sides of the Clump of LED’s Together

Strip and solder a wire to the cathodes of the LED Clump

Step 5: Strip and Add Another Wire

Attach the second wire to the ground side of the button battrey using electric tape

Step 6: Solder the Other Two Ends of the Wires To a Potieniameter

Check to make sure LED’s light up before soldering.

Step 7: Secure Anodes legs of the LED’s to the Positive Side of the Battery

Step 8: If Needed, Use Heat Shrink to Make the Potentiometer Handle Fit into Faucet HAndle

Step 9: Repeat Steps on the Other Side of the Faucet