Gravity: Digital LED String Lights (Warm White) - decorative white LEDs for Arduino

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

Set with a measuring module and a probe for measuring the pH of wet soil and food products. The module is powered with the voltage of 5 V and has an analog output with a voltage range from 0 to 4 V. DFRobot SEN0249

Gravity: Digital 10A Relay Module is a module with 10A 35VAC / 30VDC relay compatible with devices with control signals in the range of 2.8 ... 5.5V. DFRobot DFR0473

Module with a temperature and humidity sensor DHT22. It allows you to measure humidity in the range from 0 to 100% and temperature from -40 to 80℃. DFRobot SEN0137

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

Gravity: Voice Recorder Module is a sound recording module powered by 5V voltage. It can store sounds up to 10 seconds long. DFRobot SEN0197

Module with Hall sensor, allows for magnetic field detection, can be used to measure angle of rotation, displacement, mechanical vibrations, etc. The module has a connector in accordance with the Gravity standard. DFRobot SEN0185

Real time clock (RTC) module DS1307. It is powered by 5 V and communicates via the I2C interface (Gravity connector). There is also a CR1220 battery socket on the board. DFRobot DFR0151

Module with digital barometer BMP388. The system measures pressure in the range from 300 to 1250 hPa and temperature from -40 ℃ to 80 ℃. DFRobot SEN0251

Digital signal isolator for communication via the Gravity I2C interface. It allows you to isolate the I2C digital signal and provide isolated power to the sensor module. DFRobot DFR0565

Expansion board for micro:bit modules with connectors compatible with Boson and Gravity sets. DFRobot DFR0521

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

Analogue temperature and humidity sensor module based on SHT30 sensor. It is characterized by high reliability and stability with low energy consumption. It is compatible with 3.3V and 5V controllers, such as Arduino, micro:bit, ESP32. DFRobot DFR0588

Gravity: Digital Peristaltic Pump is a peristaltic pump with a controller and a connector compatible with modeling servos. The set is powered by 5 ... 6 V. DFRobot DFR0523

A sensor that detects the concentration of hydrogen fluoride. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0475

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