The module is designed to support incremental encoders. It reads the rotation of the encoder and transmits the information via the I2C interface. Adafruit 4991

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 step-down converter module allows you to reduce the voltage from 6-60V to a stable 6V 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 5673

Pololu High-Power Motor Driver 36v20 CS

TB67S128FTG stepper motor driver module powered by 6.5-44V voltage and 2.1A operating current. The controller allows you to control the movement of the engine with up to 8 different resolutions (up to 1/128 step). Pololu 2998

DRV8801 Single Brushed DC Motor Driver Carrier

This industrial relay module, powered by the Raspberry Pi RP2350B microcontroller, features six 10A 250VAC/30VDC relays and an isolated RS485 interface. It ensures safe and stable operation thanks to opto-isolation, power isolation, and surge protection. It supports programming in C/C++, MicroPython, and the Arduino IDE, and the 40-pin Pico HAT connector allows for easy expansion. Its robust DIN housing and 7–36V DC power supply make it ideal for industrial automation and IoT projects. Waveshare 31790

Module with 8 inputs for data acquisition from 0-24 mA analog current inputs. It communicates via RS485 interface and supports Modbus RTU protocol. The board is enclosed in an industrial enclosure. GM1008

This is a breakout board for ON Semiconductor’s AMIS-30543 microstepping bipolar stepper motor driver, which features SPI-adjustable current limiting, 11 step modes (from full-step through 1/128-step), back-EMF feedback that can be used for stall detection or optional closed-loop control, and over-current and over-temperature protection. 

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 9 V and a maximum output of 2.5 A to 3.5 A. Pololu 4983

Black Edition offers adjustable current limiting, over-current and over-temperature protection, and five different microstep resolutions. It operates from 8 V to 35 V and can deliver up to 2 A per coil with sufficient additional cooling. Pololu 2128

The module is designed to support incremental encoders. It reads the rotation of the encoder and transmits the information via the I2C interface. It has two built-in STEMMA QT connectors. Adafruit 5740

High-current brushless electronic speed controller designed for demanding RC applications, including drones, aircraft, boats, and RC vehicles. It supports 5–14S LiPo batteries, provides up to 200 A continuous current, and uses AM32 firmware for flexible motor control. The metal heatsink supports effective heat dissipation under high loads. SEQURE 14200

A two-channel DC motor controller with a I2C interface. It is powered from 1.8 V to 22 V and can deliver up to 1.6 A per motor. Board with connectors for assembly. Pololu 5079

This step-down converter module allows you to reduce the voltage from 9-60V to a stable 9V at a current of up to 10A. 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 5676

This compact module allows for convenient control of servos communicating via UART in half-duplex or full-duplex mode, making it suitable for a variety of robotic projects. Equipped with Molex connectors and additional pins, it allows for easy integration of popular servos, such as the LX-16A, as well as models from other manufacturers. The module offers high-current power output, ensuring stable operation of complex systems with multiple servos. Pimoroni PIM697

The step-down converter module allows for voltage reduction from 7.5–60 V to a stable 7.5 V at currents up to 10 A. 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 5674

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

The X-NUCLEO-IHM11M1 is a low voltage three-phase brushless DC motor driver expansion board based on the STSPIN230 for STM32 Nucleo. It provides an affordable and easy-to-use solution for the implementation of portable motor driving applications such as thermal printers, robotics and toys

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