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

A set of 5 modules with a button and LED backlight. The boards are equipped with a Gravity connector and communicate via a digital interface. DFRobot DFR0785

A sensor that detects the concentration of nitrogen dioxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0471

Contrast sensor module. It has two integrated operating modes: analog and digital. It has the ability to set the digital mode for color detection. DFRobot SEN0147

Module with an oxygen concentration sensor in the environment. It allows you to measure the volume of oxygen in the range from 0 to 100%. It communicates via the I2C interface. DFRobot SEN0496

Gravity: IO Expansion & Motor Driver Shield is an Arduino compatible expansion board that provides digital I / O ports, analog I2C, SPI and UART interfaces, as well as a DC motor driver. DFRobot DFR0502

Gravity: Vibration Motor Module is a module with a small vibration motor powered by 5V voltage, controlled by a binary signal (high / low state) or using a PWM signal. DFRobot DFR0440

Module with a potentiometer with a rotation range of 300°. Equipped with a connector compatible with the Gravity standard. DFRobot DFR0054

Module with LCD display 16x2 characters with green backlight. It is supplied with the voltage from 3.3 V to 5 V and communicates via the I2C interface. DFRobot DFR0556

Module with an analog MQ5 LPG sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0130

Module with an analog MQ7 carbon monoxide sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0132

PIR motion sensor module for Arduino and Raspberry Pi. DFRobot SEN0018

Module with 12-position rotary switch. It is supplied with the voltage ranging from 3.3 V to 12 V and has an analog output (Gravity connector). DFRobot SEN0156

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

Gravity: Formaldehyde (HCHO) Sensor is a module for measuring the concentration of formaldehyde (methane) in the air. It can be supplied with voltage in the range of 3.3 ... 6V. DFRobot SEN0231

Compact ORP system compatible with Arduino. It allows you to monitor the ORP without having to add additional circuits or components. DFRobot SEN0165

A set with a temperature sensor based on the DS18B20 system in the form of a waterproof measuring probe, a sensor adapter and a cable. Communication via the 1-Wire interface. DFRobot KIT0021