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-3002

Brand: DFRobot

Gravity: Ring 2D QR Code Scanner

This highly integrated QR code scanner with excellent performance can recognize common 1D codes and 2D codes. With a small size, it employs easy-to-connect Gravity Interface and is equipped with a colorful indicator that feeds back the sensor recognition status by showing different colors. Operating at 3.3V/5V, the scanner is compatible with UART and I2C...

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-3220

Brand: Hi-Link

Hi-Link HLK-FM225 Face Recognition Module

The HLK-FM225 Face Recognition Module is a cutting-edge facial recognition solution designed for advanced security systems and smart home devices. Utilizing a deep learning infrared face recognition algorithm, this module ensures high accuracy (98.85%) and supports multi-angle face detection for diverse applications. It features both UART and USB...

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...

Reference: RBD-3282

MAX30100 Blood Oxygen Heart Rate Sensor Module

The MAX30100 Blood-Oxygen & Heart-Rate Sensor Module is an advanced biometric monitoring sensor that integrates pulse oximetry (SpO2) and heart rate measurement in a single package. Designed for ultra-low power consumption, it is widely used in wearable devices, fitness monitoring, and medical applications. The module consists of built-in LEDs, a...

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-3323

AS608 capacitive Circular Fingerprint Sensor Module

The AS608 Capacitive Circular Fingerprint Sensor Module is a compact, high-resolution fingerprint recognition module designed for secure authentication and access control systems. With its circular design and capacitive sensing technology, it ensures fast, precise, and reliable identification for a variety of electronic applications, including smart door...

Reference: RBD-3361

pH Sensor Analog Meter Converter Board For Arduino

This is a Liquid pH Value Detection Sensor for Arduino, designed for measuring the pH level of liquids. Need to do proper Calibration before Using.This is just the converter board no probe is included.

Reference: RBD-3461

R308 Biometric Fingerprint Sensor Module

1 review

The R308 Biometric Fingerprint Sensor Module is a high-performance, compact fingerprint identification system designed for easy integration into security systems, access control devices, and time attendance systems. Combining an optical fingerprint sensor, a high-speed DSP processor, and a high-capacity FLASH memory, the R308 offers robust, reliable...

Reference: RBD-3530

Brand: DFRobot

Dissolved Oxygen Sensor Membrane Cap

This product is a replacement membrane cap for the Gravity Analog Dissolved Oxygen Sensor, which needs to be used in conjunction with the sensor and electrolyte. There is a transparent oxygen permeable membrane on the membrane cap which is easily damaged. Please take care to protect it. Do not touch it with sharp objects or nails. When using it, you...

Reference: RBD-3581

Brand: DFRobot

Gravity: Offline Edge AI Gesture & Face Detection Sensor – 5 Gestures, 10 Faces, 3m (Arduino/ RPi/ ESP32)

The Gravity: Offline Edge AI Gesture & Face Detection Sensor is designed for intuitive gesture control and multi-person presence detection. Equipped with an integrated camera and onboard AI processor, the sensor can recognize 5 predefined hand gestures and detect up to 10 faces or upper-body presences simultaneously within a 3-meter range. By...

Reference: RBD-3585

Brand: DFRobot

Gravity Industrial Analog Electrical Conductivity Meter Kit for Water Quality Monitoring K1 IP68

Conductivity is the reciprocal of an object's resistivity. It represents a material’s ability to pass a current. In a liquid, conductivity is a measure of a solution’s ability to conduct electricity and can reflect the amount of dissolved or salinity of a water source, so it’s an important parameter in water quality monitoring.

Reference: RBD-3582

Brand: DFRobot

Gravity: PPG Heart Rate Monitor Sensor for Arduino (Analog/Digital)

The DFRobot heart rate sensor is a thumb-sized heart rate monitor designed for Arduino microcontrollers. This heart rate monitor sensor is a pulse sensor which is developed based on PPG techniques. This is a simple and low-cost optical technique that can be used to detect blood volume changing in the microvascular bed of tissues. It is relatively easy to...

Reference: RBD-3670

Smart NPK sensor 7 in 1 – USB-C Portable Tester for Temperature, Moisture, EC, pH, and NPK

7-in-1 multifunction soil tester for temperature, moisture, EC, pH, and NPK levels USB Type-C powered portable sensor with fast, accurate readings Monitors key soil parameters to optimize plant growth and crop yield Ideal for home gardeners, greenhouse owners, and professional farmers Real-time data sync and logging through free Android app Ensures...

Reference: RBD-3584

Brand: DFRobot

Gravity: Analog EMG Muscle Sensor by OYMotion

This EMG sensor is launched by the cooperation of DFRobot and OYMotion, which can detect sEMG to reflect muscle and neural activities of human.