SOURCE CODE: https://ltlemur04.wixsite.com/robotic...

Water sensors are easy to find and cheap. You can search on amazon to find them. This is just a basic tutorial on how to program a Water Sensor and how they work. I will be doing more videos with Arduino sensors.

Materials:
Arduino Uno- https://amzn.to/2ABG1U2
Water Sensor- https://amzn.to/2LS1Jrj
LED- https://amzn.to/2Mc5Jzw