Gravity: LED Switch - module with bistable button and LED backlight (5 pieces)

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

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

Module with DHT20 temperature and humidity sensor. It allows you to measure humidity in the range from 0 to 100% and temperature from -40 to 80℃. DFRobot SEN0497

Module with a buzzer (without generator) controlled by a digital interface. It allows you to generate simple sounds by changing the frequency of the control signal. DFRobot DFR0032

Module with barcode and QR scanner. It allows you to read one-dimensional and two-dimensional codes and communicates via the I2C and UART interface. DFRobot SEN0486

Sensor that detects the concentration of ozone. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0472

Module with temperature and humidity sensor DHT11. It allows you to measure humidity in the range of 20 ... 90% and temperature (0 ... 50 ° C). DFRobot DFR0067

Module with a digital temperature and humidity sensor based on the SHT31-F system. Communication via the I2C interface. Equipped with a Gravity DFRobot SEN0334 connector

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 MLX90614-DCI sensor for non-contact temperature measurement in the range from -70℃ to 270℃. I2C communication. DFRobot SEN0263

8-port I2C splitter module. The board is equipped with a Gravity connector and allows you to connect additional I2C devices. DFRobot DFR0759

Gravity: UART Infrared CO2 Sensor is a high precision CO2 sensor. It uses the UART interface for communication. It allows to measure CO2 content in the air in the range of 0 ... 50000ppm. DFRobot SEN0220

Set with the ADC HX711 transducer module and a pressure sensor in the form of a tensometric beam. It communicates via the UART interface. It allows you to build a simple home scale. DFRobot SEN0160

Laser dust sensor is a digital universal particle concentration sensor,it can be used to obtain the number of suspended particulate matter in a unit volume of air within 0.3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. DFRobot SEN0177

Module with a button, LED diode and a blue cap. DFRobot DFR0029-B

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