Crowtail-Capacitive Moisture V2.0 is a durable soil moisture sensor based on capacitive sensing technology, designed for monitoring the irrigation level of plants. Intended for use in projects with 3.3 V to 5 V microcontrollers. Elecrow CMS00810C

6DoF module with MPU6050 (3-axis accelerometer, 3-axis gyroscope) powered with 3-5V. I2C communication interface

Module with hall sensor A3144, analog and digital output from comparator, RoHS

SEN-11769

SEN-12784

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

Seeed Studio 101990982 is a professional RS485 soil sensor that enables simultaneous measurement of moisture, temperature, and electrical conductivity at four different depths. With its robust design and IP68 protection, it is suitable for long-term applications in agriculture, greenhouses, and environmental monitoring, providing reliable data for irrigation and crop optimization.

Aluminum tensometer beam, allowing weight measurement up to 2 kilograms. It has four wires. It is used in kitchen scales and portable scales.

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

Module with Hall sensor, allows for magnetic field detection, can be used to measure angle of rotation, displacement, mechanical vibrations, etc. The module has a connector in accordance with the Gravity standard. DFRobot SEN0185

SEN-13582

Muscle Sensor Surface EMG Electrodes allow you to control your projects with your muscles. Adafruit 2773

Color Sensor, complete color detector

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

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 the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5444

LHT52 Indoor LoRaWAN Air Temperature and Humidity Sensor US915 Seeed Studio 101990984 is a wireless air temperature and humidity sensor designed for smart home systems, offices, and industrial applications. Thanks to battery power, data logging, and LoRaWAN compatibility, it is suitable for environmental monitoring, building automation, and precision agriculture.

Seeed Studio 114993078 SenseCAP S2107 is a precise and reliable PT1000 temperature sensor operating on the LoRaWAN network. With its robust IP66 design, long battery life, and easy Bluetooth configuration, it is ideal for applications such as food monitoring, cold storage, industrial boilers, aquaculture, and liquid detection.

Advanced distance sensor with a range of up to 40 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)

Ultrasonic distance sensor (sonar) with a measuring range from 25 cm to 1068 cm. It allows you to read data through one of three interfaces: AE (analog envelop), analog output or RS232 interface. DFRobot SEN0280

Complete kit for building a gradiometer, including two FG-3+ magnetometer sensors, a PCB board, Android-enabled software, and a mobile app. The kit allows for easy assembly and quick start-up of the device, which will immediately start displaying readings on the LCD after connection. Additional accessories, such as sensor holders, sensor tuning pipes, and a housing, provide convenience, safety, and precise adjustment of the device to use. SparkFun WIG-25530