ToF distance sensor (Time of flight) with a range of up to 2.5 m. The module is powered with the voltage of 3.3 V and communicates via the I2C interface. DFRobot SEN0430

Module with liquid level sensor. The set includes a current-voltage converter that generates an analog signal. DFRobot KIT0139

Methane sensor module made in MEMS technology. It allows gas detection in the range of 1 to 10000 ppm and has an analog output. DFRobot SEN0565

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 3-axis ADXL345 digital accelerometer with a configurable measuring range of ± 2/4/8/16 g. It is supplied with the voltage from 2 to 3.6 V and communicates via the I2C or SPI interface. DFRobot SEN0032

Ultrasonic ToF sensor dedicated to the identification of materials at a distance of 2 to 10 cm. It can distinguish between hard and soft materials and transmits information via digital IO (high/low) or UART interface. DFRobot SEN0560

A robust sensor for approximate measurement of nitrogen, phosphorus and potassium (NPK) levels in soil, ideal for precision farming and field applications. With a rugged design (IP68), RS485 MODBUS-RTU communication and a wide power supply range, it allows easy integration with Arduino-type systems and operation in harsh environmental conditions. DFRobot SEN0605

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

Non-contact liquid level sensor. It allows you to detect liquids without the need to immerse the sensor in the liquid. Digital output. DFRobot FIT0212

Miniature air quality sensor described by the manufacturer as World\'s Smallest Fanless Air Quality Sensor, measurement of PM1, PM2.5 and PM10, I2C/SPI communication, operating voltage 3.3 V. DFRobot SEN0663

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

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

LM35 analog temperature sensor module for Arduino. DFRobot DFR0023

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

Vibrating sensor module, Plug & Play, omni-directional, designed for switching over low-current circuits. DFRobot DFR0027

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

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

Range finder with a measuring range up to 12m. The current consumption is up to 120mA and the supply voltage 4.5 ... 6V. Communication via the UART interface. DFRobot SEN0259

I2C BME680 Environmental Sensor is a gas, pressure, temperature and humidity sensor in one MEMS housing. The module is supplied with 3.3-5V, for communication the I2C or SPI interface is used. DFRobot SEN0248

Ultrasonic distance sensor determines the distance to a target by measuring time lapses between the sending and receiving of the ultrasonic pulse. This ME007YS Waterproof Ultrasonic Sensor features high accuracy, steady data output and a certain penetration power(smog, dust). SEN0312