Gravity: I2C HUB - 8-port I2C splitter

Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 5A. DFRobot SEN0287

This V2 Rotation Sensor  is arduino compatible multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate upto 10 laps. DFR0058

The analog pH meter, specially designed for Arduino controllers, with the connector (Gravity series). It has an LED which works as the Power Indicator, a BNC connector and PH2.0 sensor interface. The pH measurements at ± 0.1pH (25?). SEN0161

8x16 LED matrix equipped with colored LEDs and a driver. It is powered by 5 V and communicates via the I2C interface (Gravity connector). DFRobot DFR0522

GPIO expansion module designed for FireBeetle boards. It is equipped with a set of connectors to facilitate the connection of sensors. DFRobot DFR0483

Gravity: Digital IR Receiver Module is a module with an IR receiver operating at 38kHz. The module is supplied with 5V voltage. DFRobot DFR0094

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. DFRobot DFR0576

Module with an analog light sensor. It consists of a photoresistor and a LED. Equipped with a Gravity connector. DFRobot DFR0022

Gravity: Analog Infrared CO2 Sensor is a high precision analogue CO2 sensor. It measures CO2 content in the range of 0 ... 5000ppm and is compatible with all devices with ADC function. DFRobot SEN0219

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

Gravity: Digital Crash sensor is a microswitch module (left) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-L

Gravity: Digital Crash sensor is a microswitch module (right) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-R

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

A sensor that detects the oxygen concentration. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0465

Module with an IR transmitter operating at a frequency of 38kHz. The module is supplied with the voltage from 3 to 5V. FRobot DFR0095

Module of the 3-axis LIS2DH, I2C accelerometer. DFRobot SEN0224