Description
The Analog TDS (Total Dissolved Solids) Sensor Module is designed to measure the concentration of dissolved solids in water, providing a simple way to monitor water quality in real time. It outputs an analog voltage proportional to the TDS value, making it easy to interface with microcontrollers like the Arduino Uno. This module is widely used in STEM labs, environmental monitoring, and DIY water quality projects.
Key Features
Analog Voltage Output – Directly compatible with microcontrollers and ADC inputs
Adjustable Sensitivity – Onboard potentiometer for calibration
Compact and Easy-to-Use Design – Simple integration into Arduino projects
Low Power Consumption – Suitable for portable or battery-operated systems
Corrosion-Resistant Electrodes – Designed for repeated water immersion
Technical Specifications
Operating Voltage: 3.3V – 5V DC
Output Type: Analog voltage (0–4.5V typical)
TDS Measurement Range: 0–1000 ppm (varies by model)
Probe Material: Platinum-plated electrodes or similar corrosion-resistant metals
Response Time: < 1 second
Operating Temperature: 0°C – 80°C
Applications
Water quality monitoring systems
Environmental science experiments
Hydroponics and aquaculture water monitoring
DIY smart water systems with microcontroller feedback
Educational projects in STEM labs
The module interfaces seamlessly with development platforms such as the Arduino Uno and Raspberry Pi for data logging, visualization, and automated control systems.
Educational & Research Value
The Analog TDS Sensor Module enables practical learning in:
Water quality and environmental monitoring
Analog-to-digital signal processing
Calibration and sensor accuracy techniques
Embedded system integration
STEM experimentation and prototyping
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