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

Gravity: Digital Water Flow Sensor is a liquid flow sensor that uses a Hall sensor. Powered by 5 ... 12V voltage. DFRobot SEN0216

Heart rate measurement module compatible with Arduino and Raspberry Pi (Gravity: Heart Rate Monitor Sensor For Arduino). It uses PPG technique, which in a simple and cheap way is able to measure the changing volume of blood. DFRobot SEN0203

Gravity: Digital LED String Lights (Warm White) consist of a series of warm white LEDs. It is powered by a voltage of 2.5 ... 5 V and consists of 40 LEDs placed on a 4-meter cable. DFRobot DFR0448

Gravity: Digital LED String Lights (Colorful) consist of a series of colored LEDs. It is powered by a voltage of 2.5 ... 5 V and consists of 40 LEDs placed on a 4-meter cable. DFRobot DFR0439

TCS34725 RGB Color Sensor is a color sensor TCS34725 controlled by the I2C interface. It is powered by voltage in the range of 3.3 ... 5V and is intended for Arduino-compatible boards. DFRobot SEN0212

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

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

Gravity: 360 Degree Hall Angle Sensor is a rotation angle sensor measuring a value in the range of 0-360 ° with an analogue output, powered by 5V. DFRobot SEN0221

Flexible 8x32 RGB LED matrix module. The set uses addressable SK6812/WS2812B diodes. DFRobot DFR0462

Flexible 8x8 RGB LED matrix module. The set uses addressable SK6812/WS2812B diodes. DFRobot DFR0461

Flexible 16x16 RGB LED matrix module. The set uses addressable SK6812/WS2812B diodes. DFRobot DFR0463

Conductivity Sensor Switch DFRobot is a touch button that allows you to change the sensor output status by connecting terminals (positive and negative) using metal, human body or fruit and plants. It is powered by 3.3 ... 5 V. DFRobot SEN0223

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

Module with MOSFET transistor, 5-36 V, 20 A, switching frequency 1 kHz. DFRobot DFR0457

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

DFRobot SEN0209