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

A versatile board for two SPDT "sugar cube" relays, allowing for easy control using 2.5-20V logic signals. Built-in BSS138K MOSFETs and LEDs indicating channel activation make the module ideal for use with Arduino and Raspberry Pi. The board supports 5V or 12V relays, and JST SH connectors and 5mm terminal holes ensure convenient connection. Pololu 5667

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 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

This step-down converter module allows you to reduce the voltage from 15-60V to a stable 15V at a current of up to 8A. 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 5679

LVDS to HDMI converter module with dual LVDS connectors

Audio preamplifier based on the NE5532 chip. Powered with DC voltage in the range from 9 to 35 V (does not require symmetrical voltage)

Module with 8-bit ADC and 8-bit DAC. It allows you to measure voltage and generate an analog signal. Communicates via I2C. Adafruit 4648

A dual-channel BLDC controller capable of controlling two motors simultaneously using precise FOC vector control. Equipped with the EG Driver Chip, an INA181A2 amplifier, and a 1 mΩ sensing resistor, it provides accurate current measurement and stable operation at peak currents up to 12 A. It supports a variety of encoders and sensors, and its compatibility with ESP32 modules makes it easy to integrate into projects. Makerbase DUAL FOC PLUS

This set of two quadrature encoders for 20D extended-shaft motors provides precise rotational speed monitoring with 20 pulses per revolution of the motor shaft. The devices utilize a magnetic disc and Hall-effect sensors operating from 2.7-18V, and the digital outputs can be connected directly to a microcontroller. The encoders mount directly to the back of the motor, and the compact design and 6-pin JST PH connectors facilitate integration into robotic projects and control systems. Pololu 5660

An advanced speed controller designed to power three-phase brushless motors in various applications, such as driving robots, walking robots or gimbals. Supports input voltage range from 12V to 56V. Maximum constant current is 60A. Makerbase ODrive-S

This set of two quadrature encoders for 20D extended-shaft motors provides precise rotational speed monitoring with 20 pulses per motor revolution. The devices utilize magnetic disc and Hall-effect sensors operating from 2.7-18V, and the digital outputs can be connected directly to a microcontroller. The encoders mount directly to the back of the motor, and the compact design and 6-pin JST PH connectors facilitate integration into robotic projects and control systems. Pololu 5661

The ODrive3.6 ESC speed controller is designed to power two three-phase brushless motors in various applications, such as driving robots, walking robots or gimbals. Supports input voltage range from 12 V to 56 V and maximum current up to 60 A. Makerbase ODrive3.6

Audio module with DAC and mono amplifier designed to work with TinyPICO and TinyS2. Pimoroni SHIELD-AUDIO-I2S

A module with a set of resistors and mechanical switches that allows you to adjust the resistance in the range from 0 to 999990 Ω. SparkFun KIT-13006

ESC type controller for a DC motor with a supply voltage of 3.7 V to 5 V. It offers a maximum output current of up to 1.5 A and allows you to control two motors independently

An advanced speed controller designed to power three-phase brushless motors in a variety of applications such as electric scooters, electric skateboards and electric bicycles. It supports an input voltage range of 8 V to 60 V, which corresponds to 3S to 13S for LiPo batteries, and a maximum current of up to 50 A. Makerbase VESC MINI 6.7 Pro

2-channel brush motor controller module with PWM signal mixing function. It allows you to control two DC motors with a current consumption of up to 5 A per channel

3-channel brush motor controller module with PWM signal mixing function. It allows you to control three DC motors with a current consumption of up to 15 A per channel

Pololu Micro Maestro 1351 in kit version enables precise and flexible control of servos and sensors from a PC or microcontroller. Thanks to its ability to operate autonomously and function as a USB–TTL interface, it is used in motion control systems, animatronic projects, and interactive systems responding to external stimuli.