All Products

SKU: DF-SEN0451 · MPN: SEN0451

This industrial Gravity kit measures electrical conductivity in aqueous solutions, helping you evaluate water quality by tracking dissolved content or salinity. It is suited to hydroponics, aquaculture and environmental water monitoring where long-running measurements are needed.The pro probe is ...

SKU: DF-KIT0131 · MPN: KIT0131

Build a DIY water quality monitor for field studies, teaching or environmental projects with the KnowFlow Basic Kit. This Arduino-based kit measures two key water parameters: pH and electrical conductivity (EC).Data can be recorded automatically to a micro-SD card for later analysis, and the Blun...

SKU: DF-FIT0513

A pack of 10 Gravity-series 4-pin sensor cables, 30 cm long, for connecting I2C or UART sensors to Gravity-compatible boards. Each cable has a PH2.0 4-pin connector on one end and a XH2.54 DuPont connector on the other, compatible with standard 2.54 mm breadboard pin pitch for easy prototyping. ...

SKU: DF-SEN0221

The Hall Angle Sensor is a miniature 360 degree sensor which works based on the principle of the Hall effect. It is compatible with the DFRobot Gravity sensor interface, and works with a 5V DC power supply. The analog output is also 0~5V so it can work directly with Arduino. The Hall an...

SKU: DF-SEN0128

An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air, making it suitable for breathalyser-style projects, air quality monitoring, an...

SKU: DF-SEN0114

A resistive soil moisture sensor that reads the water content of surrounding soil by measuring electrical resistance between its two probes. Wetter soil conducts more easily (lower resistance), while dry soil conducts poorly (higher resistance) — giving you an analogue voltage output proportional...

SKU: DF-DFR0577

The Gravity I/O Expansion Shield for Pyboard connects your Pyboard v1.1 to the DFRobot Gravity sensor and module ecosystem with colour-coded plug-and-play connectors. No soldering is required — simply plug Gravity-compatible sensors and modules into the clearly labelled ports. An onboard externa...

SKU: DF-DFR0265

The DFRobot Gravity IO Expansion Shield V7.1 simplifies Arduino prototyping by breaking out all digital and analogue pins into colour-coded 3-pin (Signal, Voltage, Ground) Gravity connectors. Plug in sensors, actuators, and modules directly — no soldering or breadboard wiring required. Version 7...

SKU: DF-DFR0305

The Romeo BLE is an all-in-one Arduino-compatible robot control board from DFRobot with integrated Bluetooth 4.0. It combines an ATmega328P microcontroller, a dual-channel DC motor driver (2 A max), and a TI CC2540 BLE chip in a single board — letting you build and wirelessly control robots witho...

SKU: DF-DFR0646-G

An 8-digit green LED segment display module with I2C communication, part of the DFRobot Gravity sensor and module range. It provides a clear, bright numerical display with 16 levels of adjustable brightness, making it easy to show sensor readings, counters, clocks, and other numerical data in you...

SKU: DF-DFR0055

This is universal sensor adapter V2.0, it can be accessed by digital input modules and analog input module. The module with Arduino sensor expansion board, in combination.Improvment compare with the old version,we add a 10K resistor between A & B, A & C respectively,so that you needn't to conne...

SKU: DF-SEN0508 · MPN: SEN0508

This flexible capacitive liquid level sensor detects liquid through the wall of a non-conductive container, so it does not need to touch the liquid itself. It is designed for containers with a wall thickness of less than 5 mm, making it handy for sealed tanks, pipes and other setups where a conta...

SKU: DF-SEN0469 · MPN: SEN0469

This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontroller and single-board computer projects.The probe is factory-calibrated for quick s...

SKU: DF-SEN0253 · MPN: SEN0253

This compact Gravity module combines a Bosch BNO055 absolute orientation sensor with a BMP280 barometric pressure and temperature sensor to create a 10DOF AHRS module for motion, heading and environmental sensing.The BNO055 integrates a triaxial 14-bit accelerometer, triaxial 16-bit gyroscope, tr...

SKU: DF-SEN0475 · MPN: SEN0475

Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industrial and environmental protection applications.The sensor includes integrated tempe...

SKU: DF-SEN0665 · MPN: SEN0665

This compact Gravity module brings Bosch BMP581 pressure and temperature sensing to microcontroller projects that need stable altitude or environmental readings. It is designed for applications such as drone altitude hold, indoor navigation, weather logging and hiking altimeters.The board support...

SKU: DF-SEN0654 · MPN: SEN0654

This lab-grade methane sensor is designed for quantitative CH₄ measurement in research settings, using TDLAS technology to report methane concentration in %LEL rather than the broad estimates typical of MQ-style gas sensors.It is factory calibrated and intended for reliable data collection in com...

SKU: DF-KIT0222 · MPN: KIT0222

This kit bundles the HUSKYLENS 2 edge AI vision sensor with the HUSKYLENS 2 WiFi Module and HUSKYLENS 2 Wide-angle Camera Module, giving robotics and maker projects on-device visual recognition plus wireless interaction. It is designed to help users build AI vision applications without setting up...

SKU: DF-DFR0789-W · MPN: DFR0789-W

This compact illuminated push-button module combines a tactile switch with a built-in white LED indicator, making it handy for interactive electronics, prototypes and embedded control panels.The switch outputs a digital HIGH/LOW signal and runs from +3.3-5V, so it suits common development boards ...

SKU: DF-DFR0785-R · MPN: DFR0785-R

This compact illuminated push-button module is designed for interactive electronics and quick prototyping. A transparent cap sits over an internal red LED, giving instant visual feedback when the button is pressed.The module provides a simple digital output for microcontroller input detection: wh...