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-3101

MQ-137 Ammonia Gas NH3 Sensor Module

2 reviews

Wide detecting scope Fast response (less than 1s) High sensitivity( 3%) the circuit voltage: DC5V Stable and long life Operating Voltage is +5V Detect/Measure NH3, Ammonia

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-3115

MQ-131 Ozone Gas Detector Sensor Module

1 review

Fast response characteristics Mounting holes to facilitate fixed installation The probe can plug design for easy testing. Signal light indicates the output Dual signal output (analog output, and TTL-level output) TTL output valid signal is low; (low output signal light, can be accessed by the microcontroller IO port)

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-3116

MQ-214 Methane Sensor Combustible Gas Sensor

1 review

The MQ-214 methane (CH4) gas sensor is specifically designed for the accurate detection of methane concentrations in the air, delivering analog voltage outputs proportional to gas levels. Renowned for its wide detection range, rapid response time, high sensitivity, and long-term durability, this sensor is an excellent solution for gas leakage detection in...

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-3168

Figaro TGS2603 Unpleasant Odors Stale Food Air Pollution Sensor

The Figaro TGS2603 is a semiconductor sensor designed to detect unpleasant odors, air pollution, and stale food. With its high sensitivity and reliable performance, it is ideal for a variety of environmental monitoring and air quality applications. This compact sensor operates on a 5V supply voltage and outputs an analog signal, making it easy to...

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-3283

Base PCB Board MQ Gas Sensors

1 review

The Base PCB Board for MQ Gas Sensors is a dedicated platform designed to provide a quick and easy way to interface MQ-series gas sensors (MQ-2 to MQ-9) with microcontrollers and embedded systems. This board simplifies the wiring and operation of MQ gas sensors, making them plug-and-play for various air quality monitoring and gas detection applications.

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...

Reference: RBD-3284

MC105 Methane Gas Sensor Module

The MC105 Methane Gas Sensor Module is a high-precision catalytic-type sensor designed for detecting combustible gases such as methane (CH4), propane (C3H8), LPG, and CO. It operates using a catalytic combustion principle, where a test element reacts to combustible gases and changes its resistance, generating a proportional voltage output that represents...

Reference: RBD-3250

E-201/E-201C Rechargeable Composite pH Electrode

The E-201/E-201C Rechargeable Composite pH Electrode is a versatile and durable sensor designed for precise pH measurements in laboratory and industrial applications. The composite electrode combines a pH glass electrode and a silver-silver chloride reference electrode encased in a polycarbonate shell, ensuring stability and accuracy. Ideal for pH...

Reference: RBD-3307

ZE08-CH2O Formaldehyde Concentration Measurement Module

1 review

The ZE08-CH2O Formaldehyde Concentration Measurement Module is a compact electrochemical sensor designed for precise formaldehyde (CH2O) detection in the air. Utilizing electrochemical principles, this module offers high selectivity, stability, and reliability, making it an ideal choice for air-quality monitoring, smart home applications, and industrial...