Gravity: DS18B20 Temperature Sensor is a module with a temperature sensor compatible with Arduino boards. The module can be supplied with 3.3-5V voltage and measures the temperature in the range -55 ~ 125 ° C. DFRobot DFR0024

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

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5453

The liquid flow sensor is made of a plastic body, a flow rotor and a Hall sensor. DFRobot SEN0217

The MR60FDA2 sensor kit uses 60GHz mmWave technology to reliably detect falls and people. It offers Home Assistant integration thanks to the XIAO ESP32C6 module and pre-installed ESPHome firmware. Equipped with a BH1750 light intensity sensor, RGB LED indicator and the possibility of expanding with Grove sensors, it is ideal for monitoring health, safety and home automation. Seeed Studio 114993388

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5456

The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is propotional with the strength of vibration. DFR0052

Compact current sensor based on TMR technology, enabling precise measurements up to 20 A with minimal energy loss. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5304

Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5317

ToF distance sensor (Time of flight) with a range of up to 60 cm. The module is powered with the voltage of 3.3 V and communicates via the I2C interface. DFRobot SEN0429

Module with an 11-channel AS7341 sensor that allows the detection of light in various wavelength ranges (color detection). It is equipped with a Gravity connector and communicates via the I2C interface. DFRobot SEN0364

SEN-13676

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

The set contains: MQ-5 Gas Sensor, Color Sensor, Flame Sensor, Hall Sensor, Infrared Reflective Sensor, Laser Sensor, Moisture Sensor, Rotation Sensor, Sound Sensor, Temperature-Humidity Sensor, Tilt Sensor, UV Sensor, Liquid Level Sensor. Modules compatible with Arduino

Module with ammonia sensor made in MEMS technology. It allows gas detection in the range of 1 to 300 ppm and has an analog output. DFRobot SEN0567

Compact MEMS environmental sensor capable of measuring temperature, humidity, pressure and VOC, with I2C and SPI support and AI-powered gas analysis. Ideal for projects such as weather stations, smart home systems and air quality monitors, it provides high measurement precision and integration flexibility. DFRobot SEN0617

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

Laser distance sensor with a measuring range from 3 cm to 400 cm based on the ToF measurement technique. Communication with the module takes place via the I2C interface. Adafruit 3967

Module with a pressure sensor DPS310 with high measurement accuracy. The board is equipped with a Grove connector and communicates via the I2C or SPI interface. Seeed Studio 101020812

Module with four gas sensors that allow the detection of CO, NO2, alcohol and volatile organic compounds (VOC). The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020820