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

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

Set of 10 cables, 30 cm long, for digital sensors compatible with the Gravity standard. DFRobot FIT0011

Module with barcode and QR scanner. It allows you to read one-dimensional and two-dimensional codes and communicates via the I2C and UART interface. DFRobot SEN0486

Gravity Colorful LED is an LED twinkles with seven colors--the colors of rainbow. DFRobot DFR0474

Module with a button, LED diode and a red cap. DFRobot DFR0029-R

Module with an ozone detection sensor that performs measurements in the range of up to 10 ppm with a resolution of 0.01 ppm. The module is equipped with an I2C interface. DFRobot SEN0321

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

Gravity: Digital Peristaltic Pump is a peristaltic pump with a controller and a connector compatible with modeling servos. The set is powered by 5 ... 6 V. DFRobot DFR0523

Switch module with an interlock. DFRobot DFR0423

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

Radio transmitter module operating at 433 MHz. It is equipped with Gravity connectors and communicates via a digital interface. DFRobot TEL0140

A sensor that detects the concentration of carbon monoxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0466

Heart rate measurement module compatible with Arduino and Raspberry Pi (Gravity: Heart Rate Monitor Sensor For Arduino). It uses PPG technique, which in a simple and cheap way is able to measure the changing volume of blood. DFRobot SEN0203

Gravity: UART Infrared CO2 Sensor is a high precision CO2 sensor. It uses the UART interface for communication. It allows to measure CO2 content in the air in the range of 0 ... 50000ppm. DFRobot SEN0220

Radio receiver module operating at 433 MHz. It is equipped with Gravity connectors and communicates via a digital interface. DFRobot TEL0142

Gravity: Analog Sound Sensor is a sound sensor with Gravity analogue output. The module can be supplied with 3.3 ... 5V voltage. DFRobot DFR0034