Adjustable proximity sensor E18-D80NK allows detection of the object at a distance of 3 - 80 cm. Detection of an obstacle occurs due to the appearance of reflected infrared light.

The module allows measuring the light around the sensor. The measuring range is in the range 1 - 65535 LUX, and communication takes place using the I2C bus. modBH1750 (GY-302)

Laser sensor of air pollution with particles PM1,0, PM2.5 and PM10. It allows for precise analysis of the amount of pollutants in the environment, has small dimensions and a built-in silent transfer fan. Data is output to the UART interface. PMS3003

The MQ-5 sensor allows the measurement of alcohol and gas concentrations, such as methane, LPG, and carbon monoxide. Sensor measuring range: up to 10,000 ppm

The GY-87 module is composed of a module with MPU6050, QMC5883L and BMP180 sensors, allowing the measurement of traffic in nine axes and the measurement of atmospheric pressure. The module has a built-in 3.3 V voltage stabilizer

Liquid level sensor (maximum measuring depth 40 mm) with analog output. The output voltage varies in proportion to the liquid level.

DS18B20 compatible temperature sensor in a waterproof stainless steel housing, RoHS

The AHT25 is a versatile and precise humidity and temperature measurement module, ideal for consumer electronics and industrial applications.

The MQ-4 sensor allows methane concentration measurement. The measuring range of the sensor reaches up to 10,000 ppm and an analogue signal is obtained at the output.

Integrated gas sensor, pressure, humidity and temperature in the LGA-8 housing. Bosch Sensortec BME680

The AHT15 is a precise and reliable temperature and humidity sensor, ideal for applications in harsh environmental conditions.

Doppler radar module with 24 GHz transceiver. It is based on the S3KM1110 system and allows for precise distance measurement and motion detection. The board communicates via the UART interface. Waveshare HMMD-mmWave-Sensor

ToF distance sensor module with a range of 5 to 180 cm. Communication via UART or I2C.

Reflective Optical Sensor with Transistor Output, Vishay, RoHS

The current measurement with a value of 0 - 5A is realized by the ACS712-05 system based on the Hall effect. The system sensitivity is 185mV / A (analog signal).

Temperature sensor in the form of a HT-NTC100K thermistor on a 1 m cable. Designed for 3D printers

280° rotary potentiometer module with analog output. Compatible with 3.3 V and 5 V systems

Capacitive soil moisture sensor with analog output (Grove connector). The probe has a pointed tip, which allows it to be easily inserted into the ground. Cytron MAKER-SOIL-MOISTURE

The module with an alcohol sensor (MQ-3), allows you to measure the concentration of ethanol in the air. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.

Pressure sensor module with I2C interface (MPL115A2)