Gravity: I2C HUB - 8-port I2C splitter

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

Micro:Mate is an expansion board for the micro: bit development module. It provides six 3-pin connectors with I/O outputs, a 3.5mm audio jack connector and is powered from a 5V microUSB connector. DFRobot DFR0518

8x16 LED matrix equipped with colored LEDs and a driver. It is powered by 5 V and communicates via the I2C interface (Gravity connector). DFRobot DFR0522

The arduino turbidity sensor detects water quality by measuring level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. SEN0189

Module with a button, LED diode and a yellow cap. DFRobot DFR0029-Y

Micro: Circular RGB LED is an expansion board designed for use with the micro: bit module. It has been equipped with 24 RGB LEDs, a buzzer and a microphone. The board is supplied with voltage in the range of 3.5 ... 5 V. DFRobot ROB0150

A sensor that detects the concentration of hydrogen fluoride. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0475

Extension cord for servo. It allows the servo cable to be extended by 300mm. DFR FIT0033

This encoders are designed for DFRobot 3PA and AWD Rovers. It can give you the rotation degree of the wheels. Encoder uses non-contact method to convert the angular displacement signals. Best fit with Micro DC Geared Motor. SEN0038

A set of 10 cables, 50 cm long, compliant with the Gravity standard. DFRobot FIT0773

SEN0017

Module with a bistable button and yellow LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-Y

Gravity: Digital Water Flow Sensor is a liquid flow sensor that uses a Hall sensor. Powered by 5 ... 12V voltage. DFRobot SEN0216

Module with a digital temperature and humidity sensor based on the SHT31-F system. Communication via the I2C interface. Equipped with a Gravity DFRobot SEN0334 connector

Compact ORP system compatible with Arduino. It allows you to monitor the ORP without having to add additional circuits or components. DFRobot SEN0165

A sensor that detects the concentration of phosphine. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0476