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

Module with green LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0021-G

DC Micro motor module with metal gear with a gear ratio of 30:1. The motor is connected to the board containing the driver. DFRobot DFR0399

Current-to-voltage converter module designed for devices with a current signal output. It allows linear conversion of current signals from 0 to 25 mA into voltage signals from 0 to 3 V. DFRrobot SEN0262

Professional pH measurement set with an industrial silver chloride electrode (Ag/AgCl), the measurement in the range from 0 to 14 pH is converted into voltage with a linear characteristic. DFRobot SEN0169-V2

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

8-digit, 8-segment LED display module with 16-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0646-R

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

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

Expansion board for Arduino, allows easy connection of XBee modules, has separate outputs for I2C, SPI and UART buses. The built-in 3.3V voltage stabilizer and operating mode switch make it easier to program the Arduino when the XBee module is connected to the sockets. DFRobot DFR0265

Gravity: The high temperature sensor is a sensor based on the PT100 probe and adapted to very high temperatures (30-350 ° C). The module is powered by 3.3 ... 5.5V voltage. DFRobot SEN0198

Gravity: Heart Rate Monitor Sensor is a sensor used to measure heart activity. Adapted for easy use with Arduino. SparkFun SEN0213

This sensor utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection; suitable for hazardous applications: detecting toxic substances and all kinds of liquid in an airtight container under high pressure. SEN0204

Micro: Circular RGB LED is an expansion board designed for use with the micro: bit module. It has been equipped with 24 RGB LEDs, a buzzer and a microphone. The board is supplied with voltage in the range of 3.5 ... 5 V. DFRobot ROB0150

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 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 with a button, LED diode and a green cap. DFRobot DFR0029-G