Gravity: LED Button - module with a button and LED backlight (5 pieces)

Fan module with DC motor, propeller and connection cable. DFRobot DFR0332

Gravity: Digital 10A Relay Module is a module with 10A 35VAC / 30VDC relay compatible with devices with control signals in the range of 2.8 ... 5.5V. DFRobot DFR0473

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0517

Gravity: Digital Crash sensor is a microswitch module (right) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-R

Sensor that detects the concentration of ozone. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0472

Gravity: Analog Infrared CO2 Sensor is a high precision analogue CO2 sensor. It measures CO2 content in the range of 0 ... 5000ppm and is compatible with all devices with ADC function. DFRobot SEN0219

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. DFRobot DFR0576

BME280 integrates onboard temperature sensor, humidity sensor and barometer. It provides both SPI and I2C interfaces; and can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and so on. SEN0236

Gravity module with a fingerprint reader (capacitive sensor). It uses an efficient processor and the IDfinger6.0 algorithm. It ensures quick identification and stability of operation, communicates via the I2C interface. DFRobot SEN0359

A sensor that detects the concentration of hydrogen sulphide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0467

Nano I / O Shield for Arduino Nano is an expansion board for Arduino Nano that provides digital, analog pins, power inputs and a connector for the Bluetooth module. DFRobot DFR0012

Expansion module for the OpenMV Cam M7 camera. The board has connectors compatible with the Gravity standard. It has digital, analog, serial and I2C pins. DFRobot DFR0578

Soil moisture sensor with analog output. The probe has two pointed tabs, making it easy to insert into the ground. It is supplied with the voltage of 3.3V or 5V. DFRobot SEN0114

Module with a pulse sensor and the level of SpO2 (oxygen saturation level). It is based on the MAX30102 chip and communicates via the I2C or UART interface (Gravity connector). DFRobot SEN0518

LM35 analog temperature sensor module for Arduino. DFRobot DFR0023

Expansion board for micro:bit modules with connectors compatible with Boson and Gravity sets. DFRobot DFR0521