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

Ultrasonic distance sensor MB1010 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 726

Module with 3 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 4243

DFRobot SEN0209

Module with digital light sensor TSL2561. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020030

Gravity: Formaldehyde (HCHO) Sensor is a module for measuring the concentration of formaldehyde (methane) in the air. It can be supplied with voltage in the range of 3.3 ... 6V. DFRobot SEN0231

SEN-08685

URM04 v2.0 Ultrasonic Sensor

Thermocouple converter module based on the AD8495 circuit with an analogue output. Adafruit 1778

The UM7 orientation sensor from Redshift Labs is an Attitude and Heading Reference System (AHRS) that contains a three-axis accelerometer, rate gyro, and magnetometer. It combines this data using an Extended Kalman Filter to produce attitude and heading estimates.

Waterproof temperature sensor adapted to work with Sonoff TH10 / TH16

A set with a measuring module and a probe for measuring the pH of the solution. It is supplied with the voltage of 3.3 to 5.5 V. It has an analog Gravity output interface. DFRobot SEN0161-V2

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

Advanced distance sensor with a range of up to 50 m, offering accuracy of ±3 cm and immunity to ambient light up to 100K LUX. With UART and I2C interfaces, the device is compatible with various platforms such as Raspberry Pi and finds applications in robotics, route planning and warehouse detection. Waveshare TOF Laser Range Sensor (D)

Module with 11 QTR type optocoupler with RC (digital) 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 4111

Force-Sensing Resistor - 0.5" Circle

SEN-14032

Gravity: Heart Rate Monitor Sensor is a sensor used to measure heart activity. Adapted for easy use with Arduino. SparkFun SEN0213

Module with digital barometer BMP388. The system measures pressure in the range from 300 to 1250 hPa and temperature from -40 ℃ to 80 ℃. DFRobot SEN0251

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