Digital sensor dedicated to measuring carbon dioxide (CO2), air temperature and relative humidity. High performance, fast response and excellent stability make it an ideal solution for a variety of applications such as greenhouses, cities, poultry farms and transport stations. Seeed Studio 101991029

A modern laser scanner that integrates the advantages of triangulation and DTOF. It offers a measuring range of up to 12 meters with a low dead zone of 5 cm. The scanning frequency is 10 Hz (600 rpm) and the sampling rate is 5000, which allows an angular resolution of 0.72° to be achieved. Waveshare RPLIDAR C1

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.

Evaluation board with an IR thermometer MLX90614. The sensor is connected to the ATmega328 microcontroller working at a voltage of 3.3 V with the Arduino bootloader loaded. SparkFun SEN-10740

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 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 5452

QTR-3RC Reflectance Sensor Array

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

Vibration sensor module with sensitivity adjustment. modVIBRATION_DET

GY-9250 is a 9 Degrees of Freedom (9DoF) module with the InvenSense MPU-9250 chip. It has a built-in gyroscope, accelerometer and magnetometer.

GY-346 is a module with a digital acceleration sensor (accelerometer) ADXL346; communication on the I2C / SPI bus

Accelerometer and gyroscope module, allows measurement of acceleration in the range of +/- 16 G and angular velocity in the range up to +/- 2000 dps. modMPU6500 (GY-6500)

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

The module allows measuring the light around the sensor. The measuring range is in the range 1 - 65535 LUX, and communication takes place using the I2C bus. modBH1750 (GY-302)

Laser scanner measuring 360 degrees, taking samples at a frequency of up to 5 kHz. It is capable of generating 2D point map information within a 12-meter radius. Waveshare D500 LiDAR Kit

Aluminum extensometer beam, allowing measurement of weight up to 20 kilograms. It has four wires. It is used in kitchen scales and portable scales, it has a 21 cm cable, RoHS.

This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. The version comes with soldered screw terminals and a 240 Vrms jumper. Pololu 5412

Recognizes the distance of an object away from the sensor up to about 10 inches (~25cm) and the location of the object from side to side across the sensor in about a 6 inch (~15cm) span. You will be able to use I2C or UART to communicate with the ZX Sensor via an Arduino-based microcontroller as well as a computer. SEN-12780

This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. The version comes with soldered screw terminals. Pololu 5411