Gravity: I2C HUB - 8-port I2C splitter

Professional pH measurement set with an industrial silver chloride electrode (Ag/AgCl), the measurement in the range from 0 to 14 pH is converted into voltage with a linear characteristic. DFRobot SEN0169-V2

2x16 character LCD display. It can display the font in any color from the RGB palette. Communication via the I2C interface. The module has a lead compliant with the Gravity standard. DFRobot DFR0554

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

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

Module with a potentiometer with a rotation range of 300°. Equipped with a connector compatible with the Gravity standard. DFRobot DFR0054

Module with an analog MQ4 methane sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0129

Set of 10 cables, 30 cm long, for analog sensors compatible with the Gravity standard. DFRobot FIT0031

Gravity: Analog Signal Isolator is a module that allows to isolate sensors in the system and eliminate mutual interference of sensors powered by 5V. DFRobot DFR0504

Module with a miniature DC motor. No additional controller is required to start the engine. The module is controlled by the PWM signal. DFRobot DFR0411

Module with 5 A 250 VAC relay. DFRobot DFR0017

Current-to-voltage converter module designed for devices with a current signal output. It allows linear conversion of current signals from 0 to 25 mA into voltage signals from 0 to 3 V. DFRrobot SEN0262

Audio Analyzer is a module with sound analyzer based on the MSGEQ7 system. It divides the sound into seven frequency bands, and then allows you to read the peak levels of each band. It allows you to measure the sound in the following frequencies: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz and 16kHz. DFRobot DFR0126

Gravity: Digital LED String Lights (Warm White) consist of a series of warm white LEDs. It is powered by a voltage of 2.5 ... 5 V and consists of 40 LEDs placed on a 4-meter cable. DFRobot DFR0448

Module with blue LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0021-B

A push-button module with RGB LED backlighting. The board is equipped with a Gravity connector and communicates via an I2C interface. DFRobot DFR0991