All Products

SKU: DF-DFR0017

The DFRobot Relay Module is a standard relay used with a controller board to interface external electrical circuits or modules. Some of the most common applications with Arduino are: Home lighting, electrical appliances of high power and other equipments. The modular design makes it easy to in...

SKU: DF-DFR0979

The Gravity CH423 I2C 24 Digital IO Expansion Module extends your microcontroller with 24 additional digital output/input pins over a standard I2C connection. Based on the CH423 chip, it provides 8 GPIOs with interrupt support and 16 dedicated GPOs. The built-in current drive circuit delivers up...

SKU: DF-DFR0643

The traditional relay module has complicated wiring and is not friendly to beginners or students. The simple switch module simplifies the wiring method for connecting traditional relays. The input end is equipped with an adapter, which can be compatible with most power sources, battery boxes, DC ...

SKU: TB-XC4488

This MOSFET driver module lets you control high-power 24V DC loads from an Arduino or other 3.3V/5V microcontroller. It accepts PWM input for variable speed or brightness control, making it ideal for driving DC motors, LED lighting, pumps, solenoids, and other loads up to 5A. Key Features PWM ...

SKU: EF-EF03003

The 2-Channel 5V Relay Module allows you to control two high-power devices independently using 5V TTL signals from a microcontroller such as Arduino, PIC, ARM, or MSP430. Each channel features a relay with screw terminals and an LED indicator showing the relay state. The compact modular design m...

SKU: DF-DFR0473

Introducing the Gravity Digital Relay Module - the latest addition to DFRobot's Gravity series! This module is a little different to the other relays in our store - not only is it compatible with 5V Arduino boards, but also with Raspberry Pi, BBB (BeagleBoard Black), mbed, Intel Joule, Arduino 10...

SKU: DF-SEN0239

A digital infrared proximity sensor with adjustable detection range from 0 to 200 cm. Outputs a simple digital signal — HIGH when an obstacle is detected, LOW when clear. The detection threshold is adjustable via a rear-mounted screw, making it easy to tune for different applications. Features t...

SKU: LB-LR0046

The 5V 1-Channel Optocoupler Relay Module provides safe, isolated switching of high-voltage loads from a microcontroller. An onboard SMD optocoupler isolates the control circuit from the relay, protecting your Arduino, Raspberry Pi, or other development board from voltage spikes. A jumper settin...

SKU: DF-DRI0056 · MPN: DRI0056

This Gravity haptic driver module is built for Linear Resonant Actuators (LRAs), turning simple I2C commands into crisp tactile feedback for interactive projects. It is powered by the TM6605 driver chip and supports LRA resonant frequencies from 140Hz to 220Hz.The module includes 44 built-in vibr...

SKU: DF-KIT0018

The DFRobot Gravity Intermediate Kit for Arduino takes you beyond the basics with a comprehensive set of sensors, modules, and an Arduino-compatible board. Starting with simple LED projects and progressing to more complex builds like a mini electronic drum kit, sound-activated LED, and digital di...

SKU: DF-DFR1184 · MPN: DFR1184

The Gravity 0–10V ADC Module is a high-precision dual-channel analogue-to-digital converter designed to interface industrial-grade 0–10V sensors with microcontrollers and Linux-based systems. Built on the Texas Instruments ADS1115, it delivers 15-bit resolution (0.375 mV per step) with ±2 mV accu...

SKU: DF-DFR1036 · MPN: DFR1036

A 1-channel DAC module that converts a PWM signal from any microcontroller into a precise 0–5V or 0–10V analogue voltage output. Built around the GP8101S chip with 8-bit resolution and 0.2% accuracy, it's ideal for driving standard 0–10V or 0–5V controlled devices in automation projects — lights,...

SKU: LB-LR0051

A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, and other mains-powered devices from a microcontroller. The opto-isolators protec...

SKU: DF-SEN0678 · MPN: SEN0678

This Gravity air quality module uses Sensirion’s STCC4 gas sensing chip to directly measure carbon dioxide with the thermal conductivity measurement principle. It is designed for compact, cost-effective indoor monitoring nodes where stable CO₂ readings are needed without complex hardware integrat...

SKU: LB-LR0002

The 5V 1-Channel Relay Board Module provides a simple way to switch high-voltage loads from your Arduino, Raspberry Pi, or other microcontroller project. Controlled via a 5–12V TTL signal, this relay can switch loads up to 250V AC, making it suitable for controlling lights, fans, pumps, and other...

SKU: EF-EF03009

An 8-channel relay module operating at 5V, compatible with Arduino, Raspberry Pi, and other MCU boards (PIC, ARM, MSP430). Each relay channel has an LED indicator showing its output state, making it easy to monitor which relays are active. Key Features 8-Channel Relay – Independent control of ...

SKU: EF-EF03004

The 2-Channel 12V Relay Module allows you to control two high-power devices independently using low-voltage signals from a microcontroller such as Arduino. Each channel features an optocoupler-isolated relay with normally open (NO) and normally closed (NC) terminals for flexible switching configu...

SKU: DF-DFR0029-B

The Gravity Digital Push Button (Blue) is a simple momentary push button module designed for the DFRobot Gravity interface. It features an onboard LED indicator, immersion gold PCB surface, and a coloured button cap. A "D" marking on the board identifies it as a digital sensor for quick wiring re...

SKU: WS-26517

The Industrial Modbus RTU 8-Channel Relay Module (D) is a reliable RS485-controlled relay module with 8 digital inputs. Designed for industrial applications, it supports the Modbus RTU protocol and includes multiple isolation protections like power, magnetic, and TVS diode isolation. It features ...

SKU: DF-TEM2022B-EN-1

An all-in-one IoT starter kit built around the FireBeetle 2 ESP32-E, designed by Hackster and DFRobot for learning IoT development with Arduino. The kit includes sensors, actuators, an audio player with speaker, and an I/O shield — everything needed to build connected projects right out of the bo...