Formaldehyde sensor (HCHO) dedicated to measuring ambient air quality. It is used to detect whether the surrounding environment exceeds a set concentration threshold. It is powered by a voltage of 5 V to 24 V and has an output in the form of a two-state digital signal. DFRobot SEN0595

The 3D TOF camera is a module that consists of the BL702 system and the Juyou 100x100 TOF sensor. It is a 3D sensor that allows you to measure distances up to 1.5 meters. It is equipped with a 1.14-inch LCD screen that allows real-time viewing of depth maps along with color maps. DFRobot SEN0581

Module with PM2.5 dust sensor. The board is equipped with a Gravity connector and communicates via the I2C interface. DFRobot SEN0460

M5Stack U177 – Unit Mini Scales is a ready-to-use weighing module based on the HX711 and STM32, featuring I2C communication and support for popular platforms. It is used in laboratory, production and educational projects that require precise mass measurement.

Module with a human presence and movement sensor designed based on the STHS34PF80 infrared sensor. Enables monitoring of radiation and ambient temperature within an 80° field of view. The sensor can precisely detect movement and presence within a range of 4 m. It uses the I2C or SPI interface for communication and has built-in Qwiic connectors. SparkFun SEN-22494

Laser distance sensor with a measuring range from 0.1 m to 40 m. Optimized for industrial applications. Benewake TF02-i

LiPo battery monitor module based on the MAX17048 chip. Allows the voltage and state of charge of the battery to be measured. SparkFun SPX-17715

Module with 7 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 4107

Module with 25 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 4225

The UM7-LT 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. This LT version of the UM7 does not have an enclosure.

Module with gas sensor designed to monitor indoor air quality. It was based on the AMS CCS811 system that allows the detection of volatile organic compounds (VOCs) in the air. Digilent 410-386

Non-contact temperature sensor. Used to measure the infrared intensity of an object to calculate the surface temperature without a contact point in the range -70 ... 380 ° C. DFRobot SEN0256

Module with a temperature and humidity sensor based on the SHT31-D system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 2857

Set with a measuring module and a probe for measuring electrical conductivity. It allows you to measure the salinity of water and soil. It has a Gravity analog output interface. DFRobot DFR0300

The LSM6DS33 combines a digital 3-axis accelerometer and 3-axis gyroscope into a single package. The sensor provides six independent acceleration and rotation rate readings whose sensitivities can be set in the ranges of ±2 g to ±16 g and ±125°/s to ±2000°/s, available through I²C and SPI interfaces.

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

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

RPLIDAR A2M8 R4 (LIDAR) laser scanner 360 degrees, 10 Hz, 4000 measurements / second, range up to 12 m, measurement error at the level of 0.1%, safe for eyesight. DFRobot DFR0445

The liquid flow sensor is made of a plastic body, a flow rotor and a Hall sensor. DFRobot SEN0217

SEN-14032