Soil moisture sensor with analog output. The probe has two pointed tabs, making it easy to insert into the ground. It is supplied with the voltage of 3.3V or 5V. DFRobot SEN0114

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous currents up to 1.3 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4971

A module with a sensor used to measure the activity of the heart. It allows you to strengthen and extract the heartbeat signals from biomedical electrodes. It has an analogue output and a heartbeat indicator (LED). SparkFun SEN-12650

The Extender control chip, CH317, is a USB 3.0 controller that extends the range and functionality of the USB interface, supporting data transfer speeds of up to 5 Gbps and full compatibility with USB 2.0. Powered by 3.3 V, it is suitable for systems requiring fast, stable data transfer and is RoHS compliant.

Module with 3-axis magnetometer MAG3110, I2C, RoHS

Module with connector designed for 40-pin TFT displays. It allows for simple connection of the display and control using pin-outs with a convenient raster. Adafruit 1932

Waveshare 30475 is a compact, energy-efficient 1.54-inch e-paper display capable of displaying content in four colors. Controlled via SPI interface, available as a raw panel or a ready-to-use module, it is ideal for use in labeling systems, IoT devices, and as a user interface element in microcontroller-based projects.

Surface-mounted IT socket with two unshielded RJ-45 category 6 ports, designed for high-speed IT networks, offers universal IDC/LSA connectors, supports 26-22 AWG cables, and is characterized by simple installation. Lanberg OU6-0002-W

A 10.4" QLED display with touch panel. It is equipped with HDMI for video display and USB Type C for touchscreen. It offers a resolution of 1600x720 pixels. Waveshare 10.4HP-CAPQLED

LC76G GNSS receiver module. It can receive data from GPS, GLONASS, Galileo, BDS and QZSS systems. It uses a UART or I2C interface and offers an accuracy of up to 1.5m. Waveshare LC76G GNSS Module

BMP390 digital barometer module. Measures pressure from 300 to 1250 hPa and temperature from -40℃ to 85℃. It communicates via an I2C or SPI interface. Waveshare BMP390 Barometric Pressure Sensor

The NX-NVME 2280 256GB SSD with PCIe Gen3 x4 interface and 3D TLC Flash memory is a reliable and high-performance solution for both general and specialized applications, including use with expansion boards for Raspberry Pi 5. Ideal for upgrading laptops, desktop computers, and embedded systems, it offers significantly faster data access compared to traditional SATA drives.

8-bit ST7 MCU, 4kB Flash, 256B RAM, Lite Timer with Watchdog, Autoreload Timer with 32-MHz input clock, SPI, 10-bit ADC with Op-Amp, DIP20, RoHS

The Double Eye LCD 0.71-inch module Waveshare 29381 with two displays, each with a resolution of 160×160 and an SPI interface, offers a compact solution for projects with limited space and high visual demands. Featuring full-color IPS panels, compatibility with microcontrollers, and included convex lenses, the module is ideal for creative applications such as user interfaces, wearable gadgets, or interactive robots.

The Waveshare 0.71-inch LCD module 29380 with a round, full-color IPS screen and SPI interface is a compact solution for displaying information in microcontroller-based projects. With its small size, high image quality, and easy integration, it is well-suited for wearable systems, robotics, interactive gadgets, and modern HMI devices.

An 8" IPS LCD display with touch panel. It is equipped with an HDMI/USB type C interface for video display and USB type C for touchscreen. It offers a resolution of 1280x800 pixels and has an aluminium casing. Waveshare 8HP-CAPLCD Monitor

The CH9141K enables bidirectional BLE-UART transmission in applications requiring reliable wireless communication and easy configuration via AT or BLE. The device is suitable for IoT modules, service diagnostics, wireless debugging and serial device upgrades, eliminating the need for a wired UART connection

ARM® Cortex® -M4 32b MCU+FPU, 512KB Flash, 80KB SRAM, FMC, 4 ADCs, 2 DAC ch., 7 comp, 4 Op-Amp, 2.0-3.6 V, LQFP100, STM, RoHS

LCD1602 I2C Module Waveshare 30495 (gray) with a two-line 16×2 character display, adjustable backlight, and I2C interface offers a cost-effective and GPIO-saving solution for presenting text information in microcontroller projects. Compatibility with popular platforms and low power consumption make it a versatile component for HMI systems, measurement devices, and automation.