Gravity: Digital I2C Signal Isolator - digital I2C signal isolator

NFC module with built-in antenna on the board. The module has a Gravity connector. Memory communication can be done through one of the serial interfaces: UART or I2C. DFRobot DFR0231-H

The arduino turbidity sensor detects water quality by measuring level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. SEN0189

Gravity: The high temperature sensor is a sensor based on the PT100 probe and adapted to very high temperatures (30-350 ° C). The module is powered by 3.3 ... 5.5V voltage. DFRobot SEN0198

Ultrasonic distance sensor with a range of up to 5 m with an analog output The module is supplied with the voltage from 3.3 to 5.5 V. DFRobot SEN0307

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

DFRobot Gravity analog light intensity module for Arduino and Raspberry Pi. DFRobot DFR0026

Clock & Timer Development Tools Gravity I2C SD2405 RTC. DFR0469

Module with an analog sensor of carbon monoxide and combustible gases (methane, propane) MQ9. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0134

Conductivity Sensor Switch DFRobot is a touch button that allows you to change the sensor output status by connecting terminals (positive and negative) using metal, human body or fruit and plants. It is powered by 3.3 ... 5 V. DFRobot SEN0223

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

A module with a magnet sensor that allows you to detect the presence of an object emitting a magnetic field in the environment. The module is supplied with the voltage ranging from 3.3 V to 5 V and has a digital output. DFrobot DFR0033