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

Module with distance sensor Sharp GP2Y0D810Z0F operating in the infrared band. It is powered with a voltage ranging from 2.7 to 6.2 V and has a digital output (Gravity connector). DFRobot SEN0042

Soil moisture sensor with analog output. The probe has two pointed tabs, making it easy to insert into the ground. It is supplied with the voltage of 3.3V or 5V. DFRobot SEN0114

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

Module with an analog light sensor. It consists of a photoresistor and a LED. Equipped with a Gravity connector. DFRobot DFR0022

Module with 9-axis IMU ICM-20948 sensor. The chip is an integrated 3-axis accelerometer, gyroscope and magnetometer and a digital motion processor DMP (Digital Motion Processor). Communication via I2C or SPI. SparkFun SEN-15335

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

Module with five reflection sensors. It has digital and analogue outputs. Thanks to the embedded EEPROM memory, it enables easy sensor calibration. Cytron Maker Line

HMC5883L digital electronic compass 3-axis magnetoresistive sensor module with level converter, RoHS

Liquid level sensor (up to 124 mm) with analog output. The output voltage varies in proportion to the liquid level. The measuring element is placed in a plastic housing. Adafruit 3828

Module with a 3-axis MMA7660FC accelerometer with a measuring range up to ± 1.5g. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020039

Module with 2 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4202

Module with 4 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4204

Module with pressure and temperature sensor BMP280. The board is equipped with a Grove connector and communicates via the I2C or SPI interface. Seeed Studio 101020192

Digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levels, intended for indoor air quality monitoring in personal devices such as watches and phones, but we’ve put it on a breakout board so you can use it as a regular I2C device. SEN-14193

Module with ACS723 current sensor with a measuring range of AC and DC ± 5 A. It communicates via an analog interface. SparkFun SEN-13679

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

Module with a flame sensor or other light sources with a wavelength in the range of 760 to 1100 nm. It was based on the YG1006 sensor (photovolver NPN). The sensor has a connector compatible with the Grove standard. Seeed studio 101020049

Soil moisture sensor with analogue output. It has a shape resembling a fork, which makes it easy to put it in the ground. The voltage level of the analog output increases in proportion to the ground moisture level. The sensor can be used in an automatic watering system. Version with a 3.5 mm ARK connector. SEN-13637

LM35 analog temperature sensor module for Arduino. DFRobot DFR0023