Capacitive soil humidity sensor with I2C interface powered by 3-5V. Adafruit 4026

ACS714 Current Sensor Carrier -30 to +30A

ST Microelectronics’ STTS22H digital temperature sensor module, featuring a Qwiic connector, offers accuracy from -40°C to 125°C without the need for additional calibration. The sensor consumes only 1.75 µA in single measurement mode, making it ideal for low-power applications, and additional features such as a configurable interrupt pin and the ability to select two I2C addresses increase its versatility. SparkFun SEN-21262

Crowtail-Tilt Switch 2.0 is a simple digital sensor that detects a change in the module’s position along the vertical–horizontal axis. Used in projects requiring tilt detection, orientation signaling or activation depending on position.

The LIS3DH 12-bit 3-axis capacitive accelerometer module is a great tool for motion detection in your projects, capturing accelerations in three axes (3DoF). Simple configuration with SPI or I2C interface, as well as the ability to work on a breadboard, make the module user-friendly and perfect for various applications, from robotics to wearable devices. SparkFun SEN-20659

Module with 5 balancing sensors for Balboa 32U4 balancing robot. Pololu 3577

ACS724LLCTR-05AU current sensor module with a current measurement range from 0 to 5 A. It communicates via an analog interface. Pololu 4048

SEN-13314

Maxbotix XL-MaxSonar-AE0 Sonar Range Finder MB1300

ACS724LLCTR-20AU current sensor module with a current measurement range from 0 to 20 A. It communicates via an analog interface. Pololu 4044

Module with acceleration and rotational speed sensor based on the MPU-6050 system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 3886

Module with a UV light sensor LTR390-UV. It allows you to measure the intensity of ultraviolet radiation and visible light. It communicates via the I2C interface. Waveshare UV Sensor (C)

Air quality sensor module PMSA003I. It allows for a precise analysis of the amount of pollutants in the environment based on the concentration of PM1.0, PM2.5 and PM10 particles. Adafruit 4632

Module with 25 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4125

Force-Sensing Resistor - 0.5" Circle

LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21221

LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21222

Color sensor equipped with the OPT4048 sensor from Texas Instruments. It allows you to determine the characteristics of ambient light by measuring parameters such as light intensity, color in the CIE XY, LUV coordinate systems, as well as color temperature. The module is equipped with Qwiic connectors. SparkFun SEN-22639

M5Stack U180 module with the HX711 chip enables reading data from weight sensors via I2C, providing precise force and mass measurements in projects based on the M5Stack platform. Ideal for compact weighing and dosing systems.

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