Gravity: I2C RGB LED Colorful Button - button module with RGB backlighting

A set of 5 modules with a bistable button and LED backlight. The boards are equipped with a Gravity connector and communicate via a digital interface. DFRobot DFR0789

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

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

The liquid flow sensor is made of a plastic body, a flow rotor and a Hall sensor. DFRobot SEN0217

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

Module with an ambient oxygen concentration sensor. The system allows you to measure the oxygen volume in the range up to 25% with a resolution of 0.15%. The module communicates via the I2C interface. DFRobot SEN0322

A set with a measuring module and a probe for measuring the pH of the solution. It is supplied with the voltage of 3.3 to 5.5 V. It has an analog Gravity output interface. DFRobot SEN0161-V2

Waterproof soil moisture sensor with analog output. The probe has a pointed tip, which allows it to be easily inserted into the ground. It is supplied with the voltage from 3.3V to 5.5V. DFRobot SEN0308

Ring light with 12 RGB diodes WS2812B type controlled by serial signal. The module can be powered with the voltage from 3.3 V to 5 V, only one signal line is required to control it. DFRobot DFR0888-12

Module with blue LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0031-B

Module with an analog sound intensity sensor. It enables measurement in the range from 30 dB to 130 dB with a measurement error of ± 1.5 dB. The module returns the output voltage in the range of 0.6 to 2.6 V. DFRobot SEN0232

Gravity: Joystick Module V2 is a joystick module with two analog outputs (X and Y axis) and a digital output (Z axis) supplied with 3.3 ... 5V voltage. DFRobot DFR0061

A set of elements intended for people who want to start their adventure with programming and electronics. Its main element is the DFRduino Mega 2560 tile (compatible with Arduino MEGA). The set consists of 31 elements. DFRobot KIT0013

A module with an EMG sensor that detects the activity of human muscles and neurons. Generates an analog signal in the range from 0 to 3 V on the output, it does not require the use of a conductive gel. DFRobot SEN0240

Module with 5 A 250 VAC relay. DFRobot DFR0017