Reference: RBD-3655

SGP30 Multi-Pixel Air Quality Sensor Module TVOC & eCO2

Monitor your indoor air quality with precision using the SGP30 Multi-Pixel Air Quality Sensor Module. Developed by Sensirion, this compact, high-performance sensor integrates four metal oxide sensing elements into one chip, delivering detailed and reliable measurements of Total Volatile Organic Compounds (TVOC) and equivalent CO2 (eCO2) levels. Ideal for...

Reference: RBD-2938

Brand: DFRobot

Soil NPK Measure Sensor MODBUS-RTU RS485 (IP68, 5-30V)

If you're looking to work with an NPK sensor, you'll quickly notice that most options come with either Chinese-only documentation or limited support, making them difficult for beginners. That's where the DFRobot NPK Sensor stands out — it offers extensive documentation and sample code, making it far more accessible. By using the DFRobot Modbus/RS485...

Reference: RBD-3109

PZEM-004T AC Multi-function Electric Energy Metering Power Monitor with Closed CT

1 review

Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0Random: Variants May Include Old or New Capacitor

Reference: RBD-3656

Shake Sensor Module Vibration/Movement Detection Switch

The Shake Switch Module is a simple and compact motion detection sensor that responds to directional shaking or vibration. Designed to output a high signal when activated, this module is ideal for basic motion-triggered projects such as alarms, interactive electronics, or energy-saving systems. It operates reliably on 3.3V to 5V, making it compatible with...

Reference: RBD-2972

Square 10M Float Switch - Industry Pump Tank Sensor Imported

Automatic On/Off control for pumps, motors, and valves. Rated for 250V at 10(8A) and 380V at 10(4A). 10-meter wire length with IP68 protection. Suitable for non-flammable liquids; not explosion-proof. High buoyancy and hermetically sealed for reliable operation.

Reference: RBD-3110

PZEM-004T AC Multi-function Electric Energy Metering Power Monitor with Open CT

2 reviews

Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0Random: Variants May Include Old or New Capacitor

Reference: RBD-2974

Square 6M Float Switch - Industry Pump Tank Sensor Imported

Automatic On/Off control for pumps, motors, and valves. Rated for 250V at 10(8A) and 380V at 10(4A). 6-meter wire length with IP68 protection. Suitable for non-flammable liquids; not explosion-proof. High buoyancy and hermetically sealed for reliable operation.

Reference: RBD-3278

INA226 Voltage Current Power Monitoring Module

2 reviews

The INA226 Voltage Current Power Monitoring Module is a high-precision I²C-based sensor designed for real-time voltage, current, and power measurements in electronic circuits. With its high 16-bit ADC resolution, this module ensures accurate and reliable monitoring of power consumption, making it an essential tool for engineers, hobbyists, and...

Reference: RBD-2975

Square 2M Float Switch - Industry Pump Tank Sensor Imported

Automatic On/Off control for pumps, motors, and valves. Rated for 250V at 10(8A) and 380V at 10(4A). 2-meter wire length with IP68 protection. Suitable for non-flammable liquids; not explosion-proof. High buoyancy and hermetically sealed for reliable operation.

Reference: RBD-3452

WCS1700 Hall Current Sensor Module

The WCS1700 Hall Current Sensor Module is a high-precision, reliable solution for measuring both AC and DC currents with excellent galvanic isolation. Utilizing the Hall effect principle, this module provides a linear analog voltage output directly proportional to the sensed current, ensuring accurate and real-time monitoring.

Reference: RBD-2998

Brand: DFRobot

Gravity: Analog Turbidity Sensor for Arduino

The Arduino turbidity sensor detects water quality by measuring the level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level increases. You may also check Liquid...

Reference: RBD-3453

20-400Hz, 0-5A AC Overcurrent Protection Sensor Module

The 20-400Hz, 0-5A AC Overcurrent Protection Sensor Module is an essential solution for safeguarding AC electrical systems against overcurrent faults. Designed for a wide frequency range and supporting currents up to 5A AC, this module delivers fast and reliable overcurrent detection, ensuring the safety and stability of industrial, commercial, and...

Reference: RBD-3092

Brand: DFRobot

Gravity: Analog Capacitive Corrosion Resistant Soil Moisture Sensor

Gravity: Capacitive Soil Moisture Sensor is ideal for environmental science courses and indoor gardening applications. Operating within a voltage range of 3.3 to 5.5V, this sensor provides an analog output of 1.2 to 2.5V, making it compatible with low-voltage MCUs, including both 3.3V and 5V logic systems, allowing for easy integration with popular...

Reference: RBD-3559

DC 0-100V 10A Voltage and Current Dual LED Display Panel Meter

Operating current: 20mA Operating voltage: DC 4.5 ~ 30V Minimum resolution(V): 0.1V Minimum resolution(A): 0.01A Display color: Red and Blue (two-color display) Measure accuracy: 1% Dual Led 0.28 ” Display for DC0-100V 10A Voltage and Current Test Digital Instrument, Digital Meter Panel Amplifier Red Blue 10A

Reference: RBD-3093

Brand: DFRobot

Gravity: Photoelectric High Accuracy Liquid Level Sensor

This is a photoelectric water liquid level sensor that is operates using optical principles. The advantages of this photoelectric water liquid level sensor are good sensitivity and no need for mechanical parts - meaning less calibration! The corrosion resistant probe is easily mounted and can handle high temperature and high pressure.

Reference: RBD-3094

Brand: DFRobot

Gravity: Analog Industrial-Grade pH Sensor / Meter Pro Kit V2

The Gravity: Analog pH Sensor / Meter Pro Kit V2 stands out for its industrial-grade durability, exceptional accuracy, and user-friendly design. It is an essential tool for anyone involved in precise water quality monitoring and management. Industrial-Grade Performance Designed for continuous operation, this sensor supports 7/24-hour monitoring with a...

Reference: RBD-3096

Brand: DFRobot

IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (3m, UART)

This is an underwater ultrasonic obstacle avoidance sensor specifically designed for underwater applications. It operates on a wide voltage range of 5-24V and features compact size, minimal blind spots, high precision, and high protection. Its underwater measurement range is from 2-300cm.

Reference: RBD-3238

Brand: DFRobot

Gravity Analog TDS Sensor/ Meter for Arduino

Gravity: Analog TDS Sensor/Meter for Arduino is an Arduino-compatible TDS Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. TDS meter can be applied to domestic water, hydroponic and other fields of water quality testing. You may also check Liquid Senser Selection Guide to get better familiar with our liquid sensor...

Reference: RBD-3249

Brand: DFRobot

Gravity Analog Electrical Conductivity Sensor V2 K10

Brand: DFRobot Product: Gravity Lab Grade Analog Electrical Conductivity Sensor Supply Voltage: 3.0~5.0V Output Voltage: 0~3.4V Support Detection Range: 0~20ms/cm

Reference: RBD-3244

Brand: DFRobot

Industrial pH Electrode - Armor Casing Haoshi H101

The Industrial pH Electrode - Armor Casing (H-101) is a high-performance pH combination electrode designed for precision and durability in industrial applications. It features a low-impedance sensitive glass membrane, ensuring fast response and excellent thermal stability. The electrode is robust, with a ring PTFE membrane that resists clogging, making it...