Soil moisture sensor with analog output. The module comes with a probe with metal tips.

The Akyga AK-AD-31 network card adapter converts USB 3.0 to RJ45, enabling a fast network connection up to 1000 Mbps, ideal for laptops without a built-in network card or with a damaged LAN port, compatible with many operating systems. Akyga AK-AD-31

High-quality, aesthetically made USB 3.0 HUB with a built-in 10/100/1000Mbps network card. Akyga AK-AD-32

Module with 13 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 4113

AS7331 UV light sensor module. It allows you to measure UV radiation on three channels: UVA (320-400nm), UVB (280-320nm) and UVC (200-280nm). Communication with AS7331 takes place via the I2C interface and the Qwiic connector. SparkFun SEN-23518

Adafruit 2267 - Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822

Numato Lab NLETHGC032-HT is a versatile 32-channel GPIO Ethernet module, ideal for advanced automation projects and expansion of electronic systems.

Real-time clock with PCF8563 chip and battery backup. Modally MOD-48.Z

RGB LED matrix module with 64 APA102-2020 diodes in 8x8 arrangement. It is powered by 5V by the pads located on the bottom of the board and controlled by the SPI interface. SparkFun COM-15047

Advanced 2D laser scanner (LIDAR) with a 360-degree range. It offers a range of up to 12 meters and a dead zone of 0.05 meters and a scanning frequency of 10 Hz (600 rpm), which gives a sampling speed of 5 kHz and an angular resolution of 0.72°. Seeed Studio 101090061

Module with a 3-axis ADXL343 accelerometer with a configurable measuring range of ±2g/±4g/±8g/±16g. Equipped with a STEMMA QT connector, it communicates via the I2C or SPI interface. Adafruit 4097

The module with a matrix LED display 8x16 (128 LEDs) designed to work with the Raspberry Pi. It uses the IS31FL3731 driver and communicates via the I2C interface. Adafruit 4122

The module with a matrix LED display 8x16 (128 LEDs) designed to work with the Raspberry Pi. It uses the IS31FL3731 driver and communicates via the I2C interface. Adafruit 4120

The module with a matrix LED display 8x16 (128 LEDs) designed to work with the Raspberry Pi. It uses the IS31FL3731 driver and communicates via the I2C interface. Adafruit 3467

Compact GPS locator in the shape of a credit card. Equipped with GPS, Bluetooth and Wi-Fi, it ensures smooth positioning both indoors and outdoors. It not only offers location tracking, but also monitors parameters such as temperature, brightness and movement. Seeed Studio 114993073

Module with one 5 V relay with a maximum switching current of 10 A. It communicates via a USB interface and does not require additional power supply. Numato Lab NLRL1001-A

The remotely controlled modulation module MOD-34 / AZ allows wireless load control with up to 10 A current consumption via a relay. It does not contain nRF24l01.

Radio module with the RFM69HCW (868 MHz or 915 MHz) system, designed to work with the Raspberry Pi. Equipped with an OLED display and buttons. Adafruit 4072

HAT module with RFM95W 433 MHz system for LoRa / LoRaWAN communication and OLED display, designed for Raspberry Pi minicomputers. Adafruit 4075