All Products
Showing 21-40 of 57 products
Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm)
The Gravity SCD41 Infrared CO2 Sensor provides accurate carbon dioxide, temperature, and humidity measurements in a single compact module. Based on Sensirion's SCD41 sensor, it uses photoacoustic NDIR (non-dispersive infrared) sensing with patented PASens and CMOSens technology for high accuracy ...
Gravity: LTR390 UV Light Sensor (280nm to 430nm) - I2C & UART
The Gravity LTR390-UV sensor provides both ambient light and UV sensing with a UV spectral response from 280nm to 430nm. It features high sensitivity, quick response, and strong anti-interference performance. With a built-in ADC and MCU, the module converts light data to digital output via I2C o...
Gravity: I2C SD2405 RTC Module
A high-precision I2C real-time clock (RTC) module from DFRobot's Gravity series, based on the SD2405AL chip. It features an internal rechargeable battery that keeps time for 5–8 years without external power, making it ideal for data logging, alarm clocks, and any project that needs reliable timek...
Gravity: Speech Synthesis Module(Support English and Chinese)
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...
Gravity: CH423 I2C 24 Digital IO Expansion Module
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...
Lark Weather Station - Portable Educational Weather Device (Compatible with Arduino, micro:bit, ESP32)
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The Lark Weather Station is a compact, all-in-one portable weather device that measures wind speed, wind direction, temperature, humidity, and air pressure. It supports real-time data output via I2C and UART, making it compatible with Arduino, micro:bit, Raspberry Pi, ESP32, and UNIHIKER controll...
ESP32-S3 AI Camera Module (Edge Image Recognition, Night Vision, ChatGPT Voice Interaction)
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An intelligent AI camera module built around the ESP32-S3 chip, combining a 160° wide-angle infrared camera, onboard microphone, speaker, and powerful edge AI capabilities. Designed for video processing, image recognition, and voice interaction — all in a compact 42 × 42mm form factor. The modul...
Gravity: STCC4 True Carbon Dioxide (CO2) Sensor (3-in-1 Air Quality Monitoring, 400 ~ 5000ppm)
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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...
Gravity: SO2 Sensor (Calibrated) - I2C & UART
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...
Gravity Calibrated NH3 Ammonia Sensor - I2C/UART
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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...
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
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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...
Gravity 4-Pin PH2.0 to DuPont Male I2C/UART Cable Pack 30cm
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This pack gives you 10 handy 30cm Gravity sensor cables for connecting 4-pin PH2.0 modules to breadboards, IO boards or standard DuPont-style headers.Each cable has a 4-pin PH2.0 plug connector on one end and DuPont male connectors on the other, making it useful for I2C or UART wiring in maker pr...
Gravity: UART Infrared CO2 Sensor (0-50000ppm), air sensor
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...
Gravity: PH3 Sensor (Calibrated) - I2C & UART
This is a sensor that detects phosphine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of phosphine in the environment. Can be widely used in the detection of phosphine ...
Gravity: O3 Sensor (Calibrated) - I2C & UART
This is a sensor that detects ozone concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ozone in the environment. Can be widely used in industrial and environmental protec...
Gravity: CL2 Sensor (Calibrated) - I2C & UART
This is a sensor that detects chlorine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of chlorine in the environment. Can be widely used in the detection of chlorine in ...
Gravity: CO Sensor (Calibrated) - I2C & UART
This is a sensor that detects carbon monoxide and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of carbon monoxide in the environment. Can be widely applied to fields like portable devic...
Gravity: HCL Sensor (Calibrated) - I2C & UART
This is a sensor that detects hydrogen chloride concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of hydrogen chloride in the environment. Can be widely used in the detecti...
Gravity: NO2 Sensor (Calibrated) - I2C & UART
This is a sensor that detects nitrogen dioxide concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of Nitrogen Dioxide in the environment. Can be widely used in the detection...
Gravity: O2 Sensor (Calibrated) - I2C & UART
This is a sensor that detects oxygen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of oxygen in the environment. Can be widely applied to fields like portable devices, ...
