Compact 5V and 12V LED strip controller, supporting popular addressable models such as WS2812, WS2813 and WS2815. Compatibility with Seeed Studio XIAO boards and support for WLED and ESPHome applications allows easy integration with smart lighting and smart home systems. Thanks to the Grove interface and built-in security, the module is ideal for DIY projects, home automation and interactive lighting installations. Seeed Studio 105100021

An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency thanks to its low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5362

Module with an analog sound intensity sensor. It enables measurement in the range from 30 dB to 130 dB with a measurement error of ± 1.5 dB. The module returns the output voltage in the range of 0.6 to 2.6 V. DFRobot SEN0232

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 (1.5 mΩ), it supports currents up to 25 A continuous and 50 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5389

A module that provides galvanically isolated, bidirectional I²C communication (SDA and SCL lines), protecting devices from incorrect connections and voltage differences. Thanks to the TI ISO1640B chip, it supports data transfer up to 1.7 MHz. Pololu 5390

Module with PDM microphone. It allows you to receive a sound signal and send it using PDM modulation. Adafruit 3492

A step-down converter that reduces input voltage from 24V to 60V to a stable 24V with up to 95% efficiency and 4A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5579

A step-down converter that reduces the input voltage from 8.4V to 60V to a stable 8.4V with up to 95% efficiency and up to 8.4A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5575

Dual motor controller that allows you to control two DC motors with 2.7-10.8V voltage and 1.2A continuous current per channel. Pololu 2130

A step-down converter that reduces the input voltage from 9V to 60V to a stable 9V with up to 95% efficiency and 5A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5576

A step-down converter that reduces the input voltage from 12V to 60V to a stable 12V with up to 95% efficiency and up to 4.5A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5577

A synchronous step-down converter that reduces input voltage from 18V to 60V to a stable 18V with up to 95% efficiency and 4A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5578

The ReSpeaker Lite kit with case, which uses the XMOS XU316 AI chipset and XIAO ESP32S3, offers precise audio processing with advanced features such as noise reduction and echo cancellation. Compatible with Raspberry Pi, Arduino and Home Assistant platforms, it is ideal for smart home applications, conference systems and smart speakers. Seeed Studio E24072601

Mini Maestro 24 (kit) is a flexible controller for advanced applications with multiple servos, offering sophisticated motion control, signal reading, and autonomous operation capabilities. It is ideal for use in robotics, animatronics, and embedded systems as a precise controller and input/output expander.

A module that provides galvanically isolated, bidirectional I²C communication (SDA and SCL lines), protecting devices from misconnections and voltage differences. Thanks to the TI ISO1640B chip, it supports data transfer up to 1.7 MHz. Pololu 5391

The ICS43434 digital MEMS microphone module with an I2S interface that eliminates the need for A/D conversion and provides clean audio output in the range of 50 Hz to 15 kHz. With channel selection and low current consumption, it is suitable for stereo systems, voice recognition and portable applications. Compatible with popular microcontrollers, it provides high quality sound with low noise. Adafruit 6049

The 24 V relay module with adjustable delay time offers a practical solution for AC/DC load control in automation and electronics applications

Pololu Mini Maestro 1355 is a servo controller with 18 configurable channels, designed for precise applications in robotics, automation, and animatronics. The kit version allows customization of connector installation to suit project needs, while its extensive functionality enables the creation of autonomous control systems and expansion of input/output interfaces in embedded systems.

Mini Maestro 18 in assembled version is a precise servo controller and a universal I/O expander for robotic, animatronic, and interactive projects. Thanks to its autonomous operation capabilities, multi-channel support, and flexible input/output configurations, it is used in advanced installations requiring smooth motion control and response to environmental signals.