Gravity: LED Switch - module with self-locking button and LED backlight (yellow)

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

Module with MLX90614-DCC sensor for non-contact temperature measurement in the range from -70℃ to 380℃. I2C communication. DFRobot SEN0206

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

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

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

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

High temperature measuring kit. It consists of a signal conversion module with a range of -270°C to 1372°C and a K-type thermocouple probe with a range of up to 800°C. I2C communication DFRobot DFR0558

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

Module with a button, LED diode and a white cap. DFRobot DFR0029-W

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

A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979

The liquid flow sensor is made of a plastic body, a flow rotor and a Hall sensor. DFRobot SEN0217

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

Audio Analyzer is a module with sound analyzer based on the MSGEQ7 system. It divides the sound into seven frequency bands, and then allows you to read the peak levels of each band. It allows you to measure the sound in the following frequencies: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz and 16kHz. DFRobot DFR0126

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 10 A. DFRobot SEN0288