What you'll learn
- Understand how resistance changes when water bridges an open circuit.
- Be able to convert environmental depth into a 10-bit digital value using an Analog-to-Digital Converter (ADC).
- Differentiate between digital (on/off) and analog (variable) sensing in fluid dynamics.
What's in the kit
- Arduino UNO R3/Compatible
- Water Level Sensor Module
- Jumper Wires (Male-to-Female)×3
- USB Cable (Type A to B)
- A small container of water (for testing)
Protocol: analog
Related projects
Project 17
Hall Effect Sensor (A3144)
Build a solid-state magnetic switch that detects hidden magnetic fields using the power of the Hall Effect.
Project 19
Contactless Liquid-Level Sensor
Detect liquid levels through solid containers without ever getting the sensor wet!
Project 16
Flame Sensor
Build a fire-detection circuit that "sees" heat using infrared light.

