The step-down converter module allows for voltage reduction from 5.3-60V to a stable 5.3V at currents up to 11A. High efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5672

This step-down converter module allows you to reduce the voltage from 5-60V to a stable 5V at a current of up to 11A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5671

Step-Up converter U3V70F7 with an output voltage of 7.5V, an input voltage from 2.9 to 7.5 V and a maximum output current of 10 A. Pololu 2893

The module is ideal for applications requiring precise control and signal processing, with the ability to be easily controlled via Ethernet. Numato Lab NLETHGC016-HB

This step-down converter module allows you to reduce the voltage from 3.5-60V to a stable 3.3V at a current of up to 12A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5670

This module allows independent control of two Omron G5LE-14-DC12 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5666

This module allows independent control of two Omron G5LE-14-DC5 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5665

16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601

A powerful controller designed to drive a single brushed DC motor with an encoder in the Pimoroni Yukon system. It offers up to 8 A continuous and 12 A peak current at a supply voltage of 5 to 17 V, making it suitable for demanding robotic projects. The module provides precise control thanks to encoder support and built-in current, temperature, and error sensors. Pimoroni PIM691

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. Adafruit 2717

An efficient step-down converter that reduces the input voltage to 5 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltage from 5 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5373

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.

Numato Lab RL20001EN is a 2-channel USB relay module with SPDT relays, 8 GPIO pins, 6 analog inputs and a USB interface, ideal for home automation, industrial, DIY and prototyping applications

Programmable time module with relay, allows you to set the time and manner of relay reaction on the trigger signal, has a built-in LED display. It can be supplied with voltage from the range of 6 - 30VDC or using the microUSB connector

1-channel LED dimmer with a voltage range of 12 V to 48 V and a current of 20 A, enabling precise adjustment of the brightness of LED lighting

Mini Maestro 12 in kit version is a multifunctional controller for controlling servos, reading sensors, and executing motion sequences without a computer. Excellent for use in robotics, animatronics, and interactive systems, it enables flexible motion control and peripheral management from a PC or microcontroller.

Driver for three-phase BLDC motors based on the TMC6300 system from Trinamic. It allows you to control the movement of drives with a voltage of 2 to 11 V and a current consumption of up to 2 A. SparkFun ROB-21867

A compact motor controller designed for the Pimoroni Yukon platform, capable of driving two DC motors or one bipolar stepper motor. The DRV8424P chip provides stable control with a supply voltage of 5 to 17 V and a current of up to 1.6 A continuous per channel. The module offers adjustable current limiting, thermal protection, and error detection. Pimoroni PIM693