Water Level Sensor Module for Arduino, ESP32, ESP8266 & Raspberry Pi | Liquid Detection Sensor
Water Level Sensor for Arduino
The Water Level Sensor Module is an easy-to-use liquid detection sensor designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller development boards. It detects the presence or height of water by measuring conductivity across exposed parallel traces on the sensor board.
This sensor is widely used by students, robotics enthusiasts, IoT developers, and electronics engineers in Bangladesh for water tank monitoring, flood detection, automatic pump control, smart irrigation, and home automation projects.
Its compact PCB design makes it suitable for educational experiments, science fair projects, industrial prototypes, and smart agriculture systems.
Whether you're learning Arduino programming or building an advanced IoT automation system, this water level sensor offers reliable performance with simple analog output for accurate water level detection.
Features:
- Compatible with Arduino UNO, Nano, Mega
- Supports ESP32, ESP8266 and Raspberry Pi
- Analog water level detection
- Low power consumption
- Simple 3-wire interface
- Easy integration with IoT projects
- Compact PCB design
- Fast response time
- Corrosion-resistant sensing traces
- Perfect for DIY automation projects
Specifications:
| Specification | Details |
|---|---|
| Product Type | Water Level Sensor Module |
| Operating Voltage | 3.3V–5V DC |
| Output Type | Analog |
| Interface | 3 Pin |
| Pins | S, +, - |
| Detection Method | Conductivity |
| Material | FR4 PCB |
| PCB Size | Approx. 65 × 20 mm |
| Weight | Approx. 5 g |
| Compatible Boards | Arduino UNO, Nano, Mega, ESP32, ESP8266, Raspberry Pi, STM32 |
Applications:
- Water tank monitoring
- Smart irrigation systems
- Automatic water pump controller
- Flood detection
- Rainwater harvesting
- Smart agriculture
- Home automation
- Aquarium water monitoring
- Hydroponics
- Robotics projects
- IoT monitoring systems
- STEM education
- University laboratory experiments
- Science fair projects
Why Choose This Water Level Sensor?
This module is one of the most popular liquid level sensors among Bangladeshi students and engineers because it offers:
- Affordable price
- Easy Arduino programming
- Beginner-friendly
- Accurate analog readings
- Supports multiple development boards
- Ideal for IoT and automation
- Excellent for educational learning
Arduino Connection:
| Sensor | Arduino |
|---|---|
| S | A0 |
| + | 5V |
| - | GND |
Package Includes:
- 1 × Water Level Sensor Module
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