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Showing 21-40 of 59 products · 1 unavailable product hidden
Octopus Analog Rotation Brick OBARot
Octopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino/Freaduino compatible boards easily with various digital, analog and I2C/Uart interfaces. These the breadboard-less firm connectio...
Gravity: Arduino Heart Rate Monitor Sensor (ECG)
The DFRobot Gravity Heart Rate Monitor Sensor measures the electrical activity of the heart and outputs it as an analog signal. Built around the AD8232 chip, it filters and amplifies the ECG signal to produce a clean waveform from the PR and QT intervals — viewable in real time using the Arduino ...
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: Infrared Light Photo Interrupter Module (Wavelength 940nm)
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##Introduction The Gravity: Photo Interrupter Module integrates a high-performance ITR9608 photoelectric switch. Its compact design and easy operation make it an ideal choice for electronic projects and applications. Whether for robotics, automation equipment, or counting systems, this module pro...
Octopus Analog Rotation Brick-Blue
Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize voltage division while providing analog signals to the analog input IO ports of micro-controller. This module has a 3-wire anti-reverse connector, which makes it easy to connect ...
Gravity:Analog UV Sensor V2
The Gravity Analog UV Sensor V2 uses a GUVA-S12SD photodiode to detect ultraviolet radiation in the 200–370 nm (UV-A) wavelength range. It outputs a linear analogue voltage signal proportional to UV intensity, making it easy to read UV index values directly with an Arduino or other microcontrolle...
Gravity:TT Motor Encoders Kit
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...
Gravity: Intermediate(advanced) Kit for Arduino
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...
Gravity: Arduino Analog Flame Sensor
This Gravity analog flame sensor detects fire and infrared light sources in the 760–1,100 nm wavelength range. With a 60° detection angle and analogue output proportional to flame distance, it's widely used in firefighting robots, fire alarm projects, and other safety applications. The Gravity i...
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 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:Terminal Sensor Adapter V2.0
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...
Gravity: 27 Pcs Arduino Sensor Kit
INTRODUCTION If you want to start playing with sensors, this sensor kit for arduino will be the perfect choice for you to get started. It comes with bundle of the most popular DFRobot sensors such as light sensors, gas sensors, sound sensors, touch sensors, distance sens...
Gravity:Analog Rotation Sensor V1
A 300° analog rotation potentiometer sensor with a Gravity interface for plug-and-play connection to Arduino and other microcontrollers. Rotate the knob to output a variable analog voltage — useful for position-dependent interactions, MIDI instruments, LED brightness control, and more. The senso...
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display
A 16×2 character LCD module with full RGB backlight, communicating over I2C for minimal wiring. With support for 16 million backlight colours, this display adds a vibrant, customisable readout to your Arduino or compatible microcontroller projects using just four wires: VCC, GND, SDA, and SCL. P...
Gravity: Analog Water Pressure Sensor
The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it connects directly to Arduino and other 5 V microcontrollers for easy integration i...
Gravity: GNSS GPS BeiDou Positioning Module with RTC - I2C&UART
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##Introduction The Gravity GNSS Positioning & Timing Module integrates satellite positioning functionality and a real-time clock (RTC). The module automatically obtains satellite time based on a preset calibration period and accurately calibrates the onboard RTC chip. This calibration effectively...
KnowFlow Basic Water Monitoring Kit
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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...
Gravity: Analog Voltage Divider V2
The Analog Voltage Divider V2 can detect the supply voltage from 0.0245V to 25V. This module is based on resistor divider principle. The voltage detection module allows the input voltage to reduce 5 times. As the Arduino analog input voltage is normally maximum 5V, the input voltage of analog ...
Gravity: Arduino Propane Gas Sensor (MQ6)
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...
