Pololu - 2737

MEMS accelerometer, magnetometer and gyroscope on a single die with a high speed ARM Cortex-M0 based processor

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

Grove module with a proximity sensor, light, color and the ability to detect gestures. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 101020580

Precision Hall effect current sensor offering galvanic isolation, wide bandwidth of 150 kHz and the ability to measure AC and DC current with very low power loss. Thanks to differential measurement and immunity to magnetic interference, it is perfect for applications requiring accurate current monitoring, such as power supplies, converters or motor control systems. Pololu 5293

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

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

LPS35HW waterproof barometer module. It can measure pressure from 260 to 1260 hPa and communicates via I2C or SPI. Adafruit 4258

Module with a digital temperature and humidity sensor based on the SHT35. Communication via the I2C interface. DFRobot SEN0333

Adapter for MQ gas sensor with potentiometer for analog signal calibration. MOD 72

Module with a steam sensor. It can be supplied with the voltage of 3.3 V or 5 V. It has an analog output. DFRobot SEN0121

The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5273

BMP390 is a compact, energy-efficient barometric pressure sensor with high accuracy, designed for precise altitude measurement and mobile applications. Thanks to its I2C/SPI interfaces and SMD mounting, it is widely used in embedded projects and wearable devices.

Temperature sensor based on the DS18B20 system in a water proof measuring probe. Communication via the 1-Wire interface. DFRobot DFR0198

QTR-1A Reflectance Sensor (2-Pack)

The module with the natural gas and LPG concentration sensor (modMQ-5) allows the measurement of the concentration of natural gas, carbon monoxide, alcohol and methane. The module has an analogue output and an output triggered by exceeding the threshold of sensitivity.

The module with a methane concentration sensor (MQ-4) in the range up to 10,000 ppm, has an analogue output and an output triggered by exceeding the threshold of sensitivity.

IR proximity sensor used to detect objects at a distance of 10mm to 80mm using infrared radiation. It is powered by 5 V and has a digital output. DFRobot SEN0556

Laser distance sensor with a measuring range of up to 4 m, based on the ToF measurement technique. Communication with the module takes place via the I2C interface. Waveshare VL53L1X Distance Sensor

A digital temperature and humidity sensor module based on the SHT41 chip. It features a STEMMA QT/Qwiic connector and communicates via an I2C interface. Adafruit 5776