TDS Sensor V1.0 Water Quality Meter Module – Arduino Compatible, Liquid Total Dissolved Solids Measurement

Measures Total Dissolved Solids (TDS) in water
Analog Output compatible with Arduino UNO and other boards
Detects Water Purity for aquariums, hydroponics, and filtration systems
Wide Voltage Range (3.3V–5V) for flexible use
Easy-to-Use Probe with waterproof connector for reliable readings

SKU: EK1803 Categories: Sensors, Water TDS, pH, Flow, Level and Pressure Sensor Tags: Arduino, Sensors, Water TDS, pH, Flow, Level and Pressure Sensor

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Description

The TDS Sensor V1.0 Water Quality Meter Module is designed to measure the total dissolved solids in water, providing a reliable indication of water quality. The module outputs an analog voltage proportional to the TDS level, which can be read directly by an Arduino or other ADC-equipped microcontroller.

Ideal for aquariums, water filtration systems, hydroponics, environmental monitoring, and DIY water quality projects, this sensor allows precise measurement of dissolved salts, minerals, and impurities in liquids.

Its compact design and easy-to-use interface make it perfect for both educational projects and professional water monitoring applications.

⚙️ Features

💧 Measures Total Dissolved Solids (TDS) in water
📡 Analog voltage output for ADC reading
🧩 Arduino UNO and microcontroller compatible
🏗️ Compact and durable design
🌡️ Stable and reliable measurement for water quality monitoring
💡 Ideal for aquariums, hydroponics, water filters, and environmental monitoring

📊 Specifications

Parameter	Description
Sensor Type	TDS (Total Dissolved Solids)
Output Type	Analog voltage (0–5V)
Operating Voltage	3.3V – 5V
Measurement Range	0 – 1000 ppm (approx.)
Interface	Analog pin (ADC)
Compatibility	Arduino, ESP32, STM32
Dimensions	Approx. 50mm × 20mm × 15mm
Weight	~10g

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
TDS Sensor	VCC/GND/AOUT	3.3-5V / GND / board analog pin

📟

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - Arduino Uno

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - Arduino Nano

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - Arduino Mega

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - ESP32

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - ESP8266

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - STM32

TDS Sensor V1.0 Water Quality Meter Module - Arduino Compatible, Liquid Total Dissolved Solids Measurement - Raspberry Pi Pico

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_arduino_uno.inoArduino Uno

482 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Uno. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_arduino_nano.inoArduino Nano

483 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Nano. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_arduino_mega.inoArduino Mega

483 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Mega. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_esp32.inoESP32

476 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 34 on ESP32. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN 34

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_esp8266.inoESP8266

478 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on ESP8266. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 3.3 / 1023.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_stm32.inoSTM32

478 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin PA0 on STM32. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN PA0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

📄 File: tds_sensor_v1.0_water_quality_meter_module_-_arduino_compatible,_liquid_total_dissolved_solids_measurement_-_raspberry_pi_pico.inoRaspberry Pi Pico

488 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 26 on Raspberry Pi Pico. Traces on the sensor board act as a variable resistor - more submersion = lower resistance = higher reading.

6#define WATER_PIN 26

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(WATER_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Water level raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(500);

20}

Project Notes:

Analog TDS (total dissolved solids) probe.

نظرة عامة ومواصفات المنتج — بالعربية

TDS Sensor V1.0 Water Quality Meter Module – Arduino Compatible, Liquid Total Dissolved Solids Measurement متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Sensors وWater TDS, pH, Flow, Level and Pressure Sensor، بسعر 500,00 EGP. كود المنتج لدينا: EK1803. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Sensor Type: TDS (Total Dissolved Solids)
Module Version: V1.0
واجهة الاتصال: Analog output (compatible with Arduino)
Operating Voltage: 3.3–5V DC
Measurement Range: 0–1000 ppm (typical)
الخامة: PCB with electronic components
Usage: Water quality monitoring, DIY Arduino projects, IoT water sensors
الوزن: 6 g

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Sensors في إكوسترا.

Specification

WeightWeight	6 g
Dimensions	3 × 2 × 1 cm
Sensor Type	TDS (Total Dissolved Solids)
Module Version	V1.0
Interface	Analog output (compatible with Arduino)
Operating Voltage	3.3–5V DC
Measurement Range	0–1000 ppm (typical)
Material	PCB with electronic components
Usage	Water quality monitoring, DIY Arduino projects, IoT water sensors