Introduction: Water Level Detector

Step 1: Sound Signal

find sound signal ( I use Mc'Donalds toy )

Step 2: Wires

prepare wires and open toy

Step 3: Solder

find two switch point and solder wires

Step 4: Holes

make holes for wires, and close the toy

Step 5: Sucker :)

mount handle (sucker)

Step 6: Finish

How this work ?? check video :) Good Luck