Heart rate measurement module compatible with Arduino and Raspberry Pi (Gravity: Heart Rate Monitor Sensor For Arduino). It uses PPG technique, which in a simple and cheap way is able to measure the changing volume of blood. DFRobot SEN0203

LiPo battery monitor module based on the MAX17043 chip. Allows the voltage and state of charge of the battery to be measured. SparkFun TOL-20680

Adafruit Universal Thermocouple Amplifier MAX31856 is an amplifier module for thermocouples. It was based on the MAX31856 chip. The module is fitted with K, J, N, R, S, T, E or B thermocouples. The SPI interface is used for communication. Adafruit 3263

Module with a 3-axis ADXL345 accelerometer with a configurable measuring range of ±2/±4/±8/±16 g. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020054

Simple-to-use, open source solution for measuring weight and temperature with the ability to read multiple types of load cells and offers a simple-to-use serial menu to configure calibration value, sample rate, time stamp and units of precision. SEN-13261

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 an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 20 A. DFRobot SEN0211

Module with ozone detection sensor. It performs measurements up to 10 ppm with a resolution of 0.01 ppm. It has a UART output and an analog output. ZE25-O3

Gravity: The high temperature sensor is a sensor based on the PT100 probe and adapted to very high temperatures (30-350 ° C). The module is powered by 3.3 ... 5.5V voltage. DFRobot SEN0198

The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features a miniature design that allows for installation in areas where space is limited. SEN-13835

BMI270 3-axis accelerometer and gyroscope module. The chip is a low-power IMU optimised for wearables, providing precise acceleration measurement, angular velocity measurement and motion-triggered interrupt functions. Equipped with a Qwiic connector, it communicates via an I2C interface. SparkFun SEN-22398

Module with 15 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4215

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 5259

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 5258

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 5253

Flexible pressure sensor with dimensions of 400x15 mm. Designed to detect static and dynamic pressure at high reaction speed. DFRobot SEN0299

A small module with a temperature sensor (thermistor). As the temperature changes, the resistance of the thermistor changes, which allows the temperature to be measured in the range from -40 to 125 ° C with an accuracy of 1.5 ° C. The module has a connector in accordance with the Grove standard. Seeed studio 101020015

A 5-channel flame detector module for detecting a flame over a larger area. Detects fire with 5 sensors that are placed on the module every 30 degrees. It has a digital and analog output. modFLAME-5CH

Module with 3-axis accelerometer ADXL343 and precise temperature sensor ADT7410 dedicated to Feather series boards. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4147

Module with a digital temperature and humidity sensor based on the SHT30. Communication via the I2C interface. DFRobot SEN0330