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

Module with a 3-axis H3LIS200DL accelerometer. The system has a user selectable wide measurement scale of ±100g/±200g. There is a Gravity connector on the board. DFRobot SEN0412

A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979

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

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

The expansion board is designed for DFRduino M0 or Bluno M0 sets. The board has 31 GPIO pins (including 6 PWM and 6 ADC inputs), UART, I2C and SPI interfaces. The pins are color coded according to the Gravity standard. DFRobot DFR0412

Module with MLX90614-DCI sensor for non-contact temperature measurement in the range from -70℃ to 270℃. I2C communication. DFRobot SEN0263

Gravity: I2C 3.7V Li Battery Fuel Gauge is a module for monitoring the parameters of the Li-ion battery allowing for precise measurement of the flow of charge to / from a 1-source source with an input voltage of 2.5-4.2V. DFRobot DFR0563

Earth humidity sensor with analogue output, supplied with 3.3 to 5.5 V voltage with Gravity connector. DFRobot SEN0193

Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 5A. DFRobot SEN0287

DFRobot SEN0209

Vibrating sensor module, Plug & Play, omni-directional, designed for switching over low-current circuits. DFRobot DFR0027

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

Real time clock (RTC) module DS1307. It is powered by 5 V and communicates via the I2C interface (Gravity connector). There is also a CR1220 battery socket on the board. DFRobot DFR0151

Module with DHT20 temperature and humidity sensor. It allows you to measure humidity in the range from 0 to 100% and temperature from -40 to 80℃. DFRobot SEN0497

Module with an analog MQ2 gas sensor. It enables the detection of LPG, butane, propane, methane, alcohol, hydrogen and smoke. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0127

A module with a 16-channel input/output port expander controlled by an I2C interface. It was based on the MCP23017 chip and equipped with a Gravity connector. DFRobot DFR0626