Gravity: Digital Magnetic Sensor

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

4-digit, 8-segment LED display module with 8-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0645-G

Module with a 3-axis analog MMA7361 accelerometer. There are 3 Gravity connectors on the board (for each axis). The operating range of the sensor can be configured using a DIP switch. DFRobot DFR0143

Sensor that detects the concentration of chlorine. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0468

Expansion board for Arduino, allows easy connection of XBee modules, has separate outputs for I2C, SPI and UART buses. The built-in 3.3V voltage stabilizer and operating mode switch make it easier to program the Arduino when the XBee module is connected to the sockets. DFRobot DFR0265

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 of 27 sensors with Gravity connectors designed for Arduino. It contains a package of the most popular DFRobot sensors, such as light, gas, sound, tactile sensors, distance sensor and accelerometer. DFRobot KIT0011

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

Module with an analog TEMT6000 light intensity sensor. The voltage at the output is linearly correlated with the intensity of the incident light. The module is supplied with the voltage from 3.3 to 5V. DFRobot SEN0043

SEN0017

UART-RS485 converter module based on the TD (H) 541S485H chip. Equipped with power isolation and TVS. DFRobot DFR0845

DFRobot 315MHz RF receiver module using SC2272-L4 low power decoder chip. DFRobot TEL0112

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

Module with a PIR motion sensor. It can detect movement up to 7 meters with a detection angle of 100 degrees. DFRobot SEN0171

he flame detector module detects the source emitting a wavelength between 760 and 1100 nm. It allows to detect, among others source of fire. Analog interface. DFRobot DFR0076

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