All Products

SKU: DF-TEL0147

Compared to the old MicroSD Card Module, this Gravity: Serial Data Logger can store data more conveniently, and supports direct data printing through serial port without additional codes.The Serial Data Logger provides onboard 128MB Flash memory, no more TF card required. It comes with a USB func...

SKU: DF-SEN0661 · MPN: SEN0661

This Gravity-series module is a high-precision electrochemical sensor for monitoring formaldehyde (HCHO) in indoor air. It is built around Sensirion’s SFA40 sensing chip and is designed to selectively detect HCHO while reducing false readings from common household vapours such as alcohol or perfu...

SKU: DF-SEN0394

The Gravity SGP40 Air Quality Sensor uses Sensirion's SGP40 digital VOC sensor chip with built-in temperature and humidity compensation. It outputs a VOC index (0–500) that can be used directly to evaluate indoor air quality without calibration. The Gravity interface provides plug-and-play connec...

SKU: DF-SEN0334

Gravity: SHT31-F digital temperature and humidity sensor is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap temperature sensing components, the SHT31-F offers high reliability and long-ter...

SKU: DF-SEN0470

A factory-calibrated electrochemical sulfur dioxide (SO2) sensor with I2C, UART, and analogue output modes. Part of the DFRobot Gravity gas sensor series, this module quickly and accurately measures SO2 concentration for industrial monitoring and environmental protection applications. The electr...

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-DFR0760

The Gravity Speech Synthesis Module converts text to spoken audio in English and Chinese, including mixed-language content. It connects via I2C or UART using the standard Gravity interface and includes a built-in speaker, so no additional audio hardware is needed. The module supports text contro...

SKU: DF-KIT0111

The Gravity Starter Kit for Arduino is a plug-and-play electronics toolkit designed for beginners and makers getting started with the Arduino platform. It includes a DFRduino UNO R3 microcontroller (fully compatible with Arduino UNO) along with 12 popular sensors and components from DFRobot's Gra...

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: 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-SEN0404

Devices with True Tone technology like Apple iPad Pro, iPhone, and Macs usually feature sensors that measure the ambient light colour and brightness. The device then uses this information to automatically adjust its display, so it can correct white points and illumination based on your environmen...

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-SEN0616 · MPN: SEN0616

The Gravity: Thin-film Pressure Sensor measures pressure through the deformation of a flexible film material. As pressure increases, the film deforms, producing higher analog output values, while lighter pressure results in lower output. This sensor is an excellent educational tool for hands-on e...

SKU: DF-KIT0139

This throw-in type liquid level transmitter adopts high-performance pressure sensing chip, with advanced circuit processing and temperature compensation technology. The level transmitter receives different pressures at different depths of liquid, which can be converted into corresponding current ...

SKU: DF-SEN0575

This DFRobot rainfall sensor is a reliable and convenient tool for measuring rainfall.Based on the principle of tipping bucket rainfall, the rainfall sensor provides users with rainfall values in millimeters and system operating time. The sensor has no electronic components inside and features a ...

SKU: DF-SEN0038

The Gravity:TT Motor Encoders Kit provides rotation tracking for TT motors, giving you accurate angular displacement data using a non-contact sensing method. Ideal for robotics projects where you need to measure wheel rotation and distance travelled. The kit uses the Gravity interface for plug-a...

SKU: DF-TEL0153

Still make do with the hard and thick shielded twisted pair for remote signal-transmitting? And even drop the baud rate again and again just for transmission stability? Now get rid of these problems by using this Gravity: UART Fiber Optic Transceiver Module from DFRobot! With complete electrical ...

SKU: DF-DFR0231-H

Gravity: UART & I2C NFC Module adopts NXP PN532, a highly integrated NFC communication controller, which supports various types of NFC smart cards or tags like the commonly used MIFARE Classic series and NTAG series in the market. Apart from the large PCB antenna design of better communication ar...

SKU: DF-SEN0220

The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in temperature compensation, and a service life of over 5 years. The UART interface m...

SKU: DF-DFR0534

Do you always feel like the DIY work is boring, not attractive or no vitality when you design it by yourself? This new Gravity MP3 voice module produced by DFRobot can solve these problems. This module can store 8MB audio files, which means it can store more than 200 audios for your choice, sup...