LM386 audio amplifier module. It is supplied with the voltage ranging from 4 to 12 V. The set includes an 8 Ω, 0.5 W loudspeaker. DFRobot DFR0064

Module with 16-channel PCA9685 servo driver designed for Raspberry Pi minicomputers. The board is equipped with a USB Type C power connector. SparkFun DEV-15316

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

Bipolar stepper motor driver operating at voltages from 8 to 50 V and currents up to 8 A/phase (11 A with cooling). The DRV8711 driver with an SPI interface offers 9 stepping modes (up to 1/256), current configuration, stall detection, and protection against short circuits, overloads, and reverse polarity. Compatible with 1.8–5 V logic, it is ideal for CNC machines, 3D printers, and robotics. Pololu 3731

This module supports four servos with direct power supply ranging from 5-17V, allowing for the construction of high-power designs. The module features standard servo connectors and two analog inputs that can be used to interface with sensors or servos with feedback. Pimoroni PIM695

The PRT-3000W voltage converter allows for the conversion of voltage from 230V to 110V and from 110V to 230V, enabling the powering of electrical devices from various regions of the world. Equipped with two output sockets, an input voltage switch, and an ON/OFF switch, it offers a power output of 3000W and a portable design with a rubber handle.

This module for the Pimoroni Yukon system allows for simultaneous control of four servos. It features a stabilized power supply with adjustable voltage of 5V, 6V, or 7.4V and a TPS54A24 step-down converter, supporting up to 5A continuous and 10A peak current. The module has built-in temperature sensors and a power status signal for increased safety. Pimoroni PIM696

The CAN-BUS Arduino Shield v2.0 can be stacked on an Arduino UNO, Arduino Leonardo or Arduino MEGA board. The shield integrates an MCP2515 CAN-BUS chip on the shield and has a CAN-BUS transceiver function. With an on-board DB9 and CAN-BUS connector you can choose a suitable port according to your host device. There is also an integrated MicroSD socket for data storage. DFR0370

80 W audio signal converter that reduces the speaker signal from the player to the level of RCA inputs. It allows you to connect to an external power amplifier. TSK TD-22

Module with active low-pass filter. Dedicated to the bass column (subwoofer)

Pololu TReX Dual Motor Controller DMC01

Dual VNH2SP30 Motor Driver Carrier MD03A

Pololu Low-Voltage Dual Serial Motor Controller

Your 5V system can wield great power with this big, beefy relay board. Kit contains all the parts you need to get your high-power load under control. Sparkfun KIT-13815

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

Expansion board for XIAO, enabling easy CAN Bus communication by integrating MCP2515 and SN65HVD230. Ideal for applications in vehicles, industrial control systems and robotics, it provides reliable data exchange and easy integration into the XIAO ecosystem. Seeed Studio 105100001

A compact and powerful ESC speed controller designed for RC models and FPV racing, supporting 4S–8S LiPo batteries and a constant current of 60 A (instantaneous up to 70 A). With a 20x20 mm mounting standard, it ensures durability, reliability and easy integration even in limited space. The use of AM32 software and variable PWM frequency guarantees high precision and smooth operation of the motors in all conditions. F60A mini

This small breakout board couples an Electret microphone (100Hz–10kHz) with a 60x mic preamplifier to amplify the sounds of voice, claps, door knocks or any sounds loud enough to be picked up by a microcontroller’s analog-to-digital converter. Each breakout comes fully assembled and works from 2.7V up to 5.5V. BOB-12758

The protection circuit for one Li-Ion cell with a voltage of 3.2 V. It has the function of charging, discharging and over-discharge protection. The module can work with a current of up to 12 A

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