Analog Flame Sensor - Analog flame sensor for Arduino

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

Keyboard module with five colored buttons. The board is equipped with a Gravity connector and has an analog output. Powered with the voltage of 3.3 V or 5 V. DFRobot DFR0075

Photoelectric liquid level sensor FS-IR02 in a set with a Gravity adapter. DFRobot SEN0205

Module with LCD display 16x2 characters with green backlight. It is supplied with the voltage from 3.3 V to 5 V and communicates via the I2C interface. DFRobot DFR0556

Contrast sensor module. It has two integrated operating modes: analog and digital. It has the ability to set the digital mode for color detection. DFRobot SEN0147

Gravity: Digital Crash sensor is a microswitch module (right) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-R

Module with an ambient oxygen concentration sensor. The system allows you to measure the oxygen volume in the range up to 25% with a resolution of 0.15%. The module communicates via the I2C interface. DFRobot SEN0322

Gravity Colorful LED is an LED twinkles with seven colors--the colors of rainbow. DFRobot DFR0474

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

A sensor that detects the concentration of hydrogen sulphide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0467

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 5A. DFRobot SEN0287

A sensor that detects the concentration of carbon monoxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0466

A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291

Module with a button and green LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-G

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

The infrared distance sensor enables the detection of objects in the range from 3 to 50cm. The sensor has a digital output, the detection threshold is adjusted by a potentiometer. DFRobot SEN0164