Ultrasonic distance sensor MB1040 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 794

QTR-8RC Reflectance Sensor Array

This precision barometric pressure and temperature sensor is ideal for environmental applications. Its low noise floor allows for detection of elevation changes down to approximately 1 cm and offers a relative accuracy of ±0.4 Pa. It supports I2C and SPI interfaces for easy integration with microcontrollers. The pre-assembled module includes a built-in 3.3V regulator, logic level conversion, and STEMMA QT connectors. Adafruit 6407

A precise barometric pressure and temperature sensor, ideal for altimetry and environmental applications. It can detect changes in height as small as 1.5 cm and offers high relative accuracy of ±6 Pa. It supports I2C and SPI interfaces for flexible integration with microcontrollers. The pre-assembled module with STEMMA QT connectors facilitates quick connection in drones, wearable devices, and IoT projects. Adafruit 6411

QTR-8A Reflectance Sensor Array

Time of Flight laser distance sensor based on a single-point D-TOF laser sensor, supporting UART communication, designed for non-contact distance measurement in embedded systems and robotics. Waveshare TOF MINIF Range Sensor

Force-Sensing Resistor - 0.5" Circle

LWIR thermal imaging module with a 160x120 pixel matrix and integrated automatic image correction. The device provides precise temperature measurement at each pixel and video output in 14-bit, 8-bit AGC, or 24-bit RGB formats. The module features high thermal sensitivity, low power consumption, and a small footprint, making it ideal for drones, robots, and portable surveillance systems. FLIR Lepton 3.5

A compact evaluation board that allows you to quickly connect the FLIR Lepton thermal imaging camera module to a Raspberry Pi or your own hardware projects. The board provides a local 3-5.5V power supply and an on-board clock necessary for proper module operation, with the option to bypass these components via a jumper. FLIR Lepton Breakout Board v2.0

An IMU module that adds a full 9-axis sensor suite to Feather boards for motion and orientation measurement. It combines an accelerometer, gyroscope, and magnetometer, providing stable and accurate data ideal for robotics, stabilization, wearables, and 3D motion analysis. The module communicates via I2C and features a STEMMA QT port for easy integration and solderless connection of additional sensors. Adafruit 4565

The HC-SR04 ultrasonic sensor module is commonly used in conjunction with Arduino to precisely measure distances ranging from 2 cm to 500 cm, with a resolution of 3 mm. It is a good choice for projects in the field of robotics, automation and security systems. It works on the principle of emission and reception of ultrasonic waves. It works with microcontroller platforms such as Arduino, Raspberry Pi, ESP32 or STM32. modHC-SR04

Ultrasonic distance sensor for Arduino, range 5m, RoHS

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 current measurement of 0 - 30A is carried out by the ACS712-30 system based on the Hall effect. The sensitivity of the system is 66mV / A (analog signal).

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

High-end temperature and humidity sensor module, offering ±1.0% RH and ±0.1°C precision and full I2C communication. With 3.3 to 5V voltage compatibility, STEMMA QT connectors and IP67 protection, it is easy to integrate and resistant to harsh environmental conditions. Ideal for IoT projects, weather stations and automation systems requiring accurate measurements. Adafruit 6174

A miniature lidar proximity sensor that detects objects within a range of 1 mm to 130 cm by generating a PWM signal proportional to distance. It operates within a 3-5.5 V range, draws 30 mA, and features an ENABLE pin for sleep mode. It also includes a 3-pin JST SH connector and an indicator LED. Its color, transparency, and light-sensitive properties make it ideal for robotics, automation, and contactless interfaces. Pololu 5485

A miniature lidar distance sensor that detects objects up to 200 cm away, regardless of color, transparency, or lighting. It generates a digital signal (0 V on detection), operates in the 3-5.5 V range, draws only 30 mA, and supports sleep mode via the ENABLE pin. Ideal for robotics, automation, and contactless interfaces, it offers a fast response time (30 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5491

modTSL2561 is a module containing a light sensor TSL2561; communication with the system takes place using the I2C bus