The module protects the load against reverse polarity to -60 V and blocks the flow of reverse current to the power supply. It uses the LM74700-Q1 ideal diode controller and a MOSFET transistor. Thanks to its low impedance (3 mΩ), it supports currents up to 20 A continuous and 50 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5388

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered from 12 to 26 V and has two 120 W outputs. XH-M543

This controller allows independent control of three DC motors using a single I²C bus. It supports motor supply voltages ranging from 4.5 to 44 V and currents up to 0.8 A continuous per channel, making it suitable for a wide range of robotic and mobile applications. I²C communication eliminates the need to generate PWM signals and significantly saves microcontroller pins. The ability to connect multiple controllers on a single bus allows for easy scaling of the system to larger motor counts. Pololu 5082

Reverse voltage protection module operating in the 4–75 V range and up to 8 A, based on a low-resistance MOSFET with Rds(on) below 15 mΩ. It does not block reverse current. Designed for power supply systems, including battery-powered applications. Pololu 5358.

This controller allows independent control of three DC motors using a single I²C bus. It supports motor supply voltages ranging from 4.5 to 44 V and currents up to 0.8 A continuous per channel, making it suitable for a wide range of robotic and mobile applications. I²C communication eliminates the need to generate PWM signals and significantly saves microcontroller pins. The ability to connect multiple controllers on a single bus allows for easy scaling of the system to larger motor counts. Pololu 5083

Compact stepper motor controller with the TMC2208 system with an operating voltage from 4.75 to 36 V. It offers smooth, quiet operation, high efficiency, various operating modes and easy configuration. It is controlled via the STEP/DIR interface and is an ideal solution for 3D printers and similar applications. BIGTREETECH TMC2208 V3.0

This controller allows independent control of three DC motors using a single I²C bus. It supports motor supply voltages ranging from 4.5 to 44 V and currents up to 0.8 A continuous per channel, making it suitable for a wide range of robotic and mobile applications. I²C communication eliminates the need to generate PWM signals and significantly saves microcontroller pins. The ability to connect multiple controllers on a single bus allows for easy scaling of the system to larger motor counts. Pololu 5084

This controller allows independent control of three DC motors using a single I²C bus. It supports motor supply voltages ranging from 4.5 to 44 V and currents up to 0.8 A continuous per channel, making it suitable for a wide range of robotic and mobile applications. I²C communication eliminates the need to generate PWM signals and significantly saves microcontroller pins. The ability to connect multiple controllers on a single bus allows for easy scaling of the system to larger motor counts. Pololu 5085

everse voltage protection module operating in the 4–75 V range and up to 17 A, based on a MOSFET with very low Rds(on). Does not block reverse current. Designed for higher-current power systems, including battery-powered and motor-drive applications. Pololu 5359

HDMI-USB adapter dedicated to video capture and transfer to devices with a USB Type A connector. It supports resolutions up to 4K with a refresh rate of 30 Hz. Waveshare HDMI to USB3.0 Adapter

An AI module for local sound event recognition, operating without a cloud connection. It detects sounds such as baby crying, glass breaking, gunshots, smoke and CO alarms, and snoring, with an accuracy of ≥95% and a response time of up to 500 ms. The module is powered by an XMOS processor and a high-performance digital microphone, providing precise sound analysis while maintaining privacy. Compatible with Seeed Studio XIAO, ESPHome, and Home Assistant, it is ideal for home automation, security, and monitoring systems. SeeedStudio 100049596

DFRobot DFR1184 module with a 15-bit ADS1115 converter enables precise voltage measurements of 0–10 V from industrial sensors. The dual-channel design, support for I2C/UART, and compatibility with popular platforms make it an effective solution for automation systems, environmental monitoring, and energy management.

An expansion board for XIAO modules that allows you to control seven output channels for slim, 3V COB LED strips. The board offers three high-current channels for main lighting and four low-current channels for fade-in and fade-out effects. Power can be supplied by a 3.7V Li-Po battery or a 5V/2A USB adapter, and a Grove I2C connector allows for sensor integration and intelligent light control. Seeed Studio 100079172

DC motor driver based on the Texas Instruments DRV8263H-Q1. It can control one DC motor in two directions or two motors in one direction from a supply voltage of 4.5-65V and a continuous current of up to 3.5A (limited to 10A). The module offers three control modes: Phase/Enable (PH/EN), PWM (IN/IN), and independent half-bridges. Built-in current sensors and protection features protect against overload, overheating, and reverse power connection. The 3-5V logic control is decoupled from the motor supply, increasing safety and integration flexibility. Pololu 5238

A step-down converter module that allows you to reduce the input voltage from 5.1–36 V to a stable 5 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5593

This miniature IEEE802.3af-compliant PoE module provides 5V power to devices at up to 8W without the need for a separate power cable. It supports both end-span and mid-span modes, offering high efficiency, electrical isolation, and easy integration into IoT and embedded systems. WIZnet WIZPoE-P1

This L298N module allows independent control of two DC motors or one stepper motor, ideal for robotics and DIY projects. It supports power supplies from 7V to 35V and has a built-in 5V regulator that can power additional circuits. Control is performed via the ENA, ENB, and IN1–IN4 pins, allowing for adjustable rotational direction and speed. The module is equipped with protection diodes and filter capacitors for stable and reliable operation.

DC-AC converter, also referred to as an inverter. Converts a constant voltage (DC) of 12 V to an alternating voltage (AC) of 220 V

The TTL TO RS485 (C) module enables the conversion of TTL serial signals to differential RS485 while maintaining high noise immunity and galvanic isolation. With its compact design and built-in ESD and surge protection, it is well-suited for automation systems, IoT, industrial applications, and distributed communication—especially in high-interference environments.

The Pico-DALI2 module enables the implementation of DALI2 communication in projects based on ESP32-C6-Pico and ESP32-S3-Pico boards. Thanks to its compatibility with the Pico interface, DALI screw terminals, and ready-to-use programming examples, it is well-suited for smart lighting and building automation applications.