All Products

SKU: DF-SEN0223

The Gravity Conductivity Sensor Switch module can be used to detect if an object has electrical conductivity. Its maximum detection value is 10MΩ. It can detect not only coins, wires, metal and other good conductors, but also the human body, fruit, plants and other conductors. By touching the...

SKU: DF-DFR0028

This is an arduino tilt sensor. It is used to detect orientation. Inside the sensor, there is a ball that make contact with the pins when the case is upright. Tilt the sensor over and the balls don't touch, thus not making a connection. Here is the principle of tilt sensor to illustrate how i...

SKU: DF-DFR0824

A dual-channel RS485 expansion HAT for Raspberry Pi that provides electrically isolated RS485 communication with built-in protection against lightning, surges, and transient voltage spikes. Each channel uses an isolated transceiver for reliable, interference-resistant data transmission — ideal fo...

SKU: DF-DFR0058

This Arduino Rotation Potentimeter Sensor is a multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate upto 10 laps. The voltage can be subdivided into 1024 copies. This sensor provides a more accurate reading. This is sensor can also be used as a simp...

SKU: DF-SEN0129

INTRODUCTION This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer. The output is ...

SKU: DF-SEN0131

INTRODUCTION This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied petroleum gas (LPG). It is less sensitive with alcohol, cooking fumes and cigarette smoke. It can be used in gas leakage detecting equipment in...

SKU: SF-DEV-14483

The SparkFun AST-CAN485 Dev Board is a miniature Arduino in the compact form factor of the Pro Mini. In addition to all the usual features that a mini Arduino has, it possesses an onboard CAN (Control Area Network) and RS485 ports, enabling quick and easy interfacing to a multitude of indust...

SKU: WS-30461 · MPN: 30461

The Waveshare Modbus RTU 4-Channel Relay Module provides reliable high-current switching for industrial automation over an RS485 bus. Each of the four SPDT relays handles loads up to 30A at 250VAC or 28VDC, making it suitable for controlling motors, lighting, HVAC systems, and other heavy-duty eq...

SKU: DF-FIT0769

This high-quality 50cm analog sensor cable is equipped with a 3-pin PH2.0 plug connector on one side and a 3-pin DuPont connector on the other side. They are specially designed for our popular IO Expansion shield and analog sensors such as Ambient light sensor, Gray sensor, MIC sound, etc. It con...

SKU: DF-DFR0548

Since the advent of micro:bit, its simple and practical way of programming is widely loved by makers, students and teachers. Its sample design, coupled with a wealth of pin resources, give it infinite possibilities. This expansion board not only leads to 9 micro:bit onboard GPIO interfaces, ...

SKU: DF-DFR0554

The Gravity I2C 16×2 LCD features RGB font colours on a black background, allowing you to display text in any of 16 million colour combinations. Using the Gravity I2C interface, only two data lines are needed for both communication and backlight control. The display supports 2 rows of 16 charact...

SKU: DF-DFR0448

A string of 40 warm white LEDs on a 4-metre wire, controlled via a digital signal through the DFRobot Gravity interface. Create fading effects with PWM or power at a fixed voltage for steady illumination. Ideal for decorative lighting, ambient displays, and creative electronics projects. Key Fea...

SKU: DF-SEN0642 · MPN: SEN0642

An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU protocol over RS485, making it easy to integrate with Arduino and other microcontro...

SKU: DF-FIT0031

A pack of 10 analog sensor cables designed for use with DFRobot IO Expansion Shields and compatible analog sensors. Each cable connects a sensor to the expansion shield's analog ports, making wiring quick and tidy. Each cable features a servo-type connector (Signal, GND, PWR) on one end and a 3-...

SKU: DF-DFR0012

The Arduino Nano I/O Sensor Shield acts as an expansion board for the Arduino Nano and DFRduino Nano microcontrollers. There are several different options for power input. The form factor of the Nano I/O Shield board is the same as the Arduino UNO/arduino Leonardo. In addition, the sensor shi...

SKU: EC-MCS01002S

Arduino Sensor Shield V4.0 let us to build electronics projects just as easy as piling bricks. It can connect to various modules like sensors, servos, relays, buttons, potentiometers. Just plug & play. Each functional module has buckled port with VCC, GND and Output, which has corresponding po...

SKU: DF-SEN0121

This is a steam(water)sensor from DFRobot. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up. Notice:The new version of analog sensor port pin mapping has been changed as the foll...

SKU: DF-DFR0566

An I/O expansion HAT for Raspberry Pi 4B and 3B+ that breaks out all GPIO pins into clearly labelled digital, analogue, PWM, I2C, UART, SPI, and I2S interfaces. The board is compatible with DFRobot Gravity series sensors and modules, allowing plug-and-play connections without complex wiring. The...