Breakout Board for ADMP401 MEMS Microphone, SparkFun

Stepper motor driver with MP6500 system with a potentiometer for current regulation. It allows the bipolar motor to be supplied with current up to 1.5A per phase without the use of a heat sink. Pololu 2967

2-channel stereo audio mixer module. It has four outputs, on which the summed signal from 2 inputs is available. It is powered with the voltage from 5 to 19 V

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

DC motor driver that allows you to control the movement of three drives using the I2C interface. The set includes only the board without connectors. Pololu 5032

Keyboard module with 10 tact switch buttons. The state of the buttons can be read using digital pins or a common analog output. DFRobot DFR0792

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

Pololu G2 24v12 High Power is a miniature DC motor controller. Driver\'s power supply: 6.5 ... 30V. Current capacity of the module: 12A. The module has protection against back voltage and overvoltage. Pololu 1364

The STEVAL-ISB043V1 is a Qi-based 2.5 W wireless power receiver evaluation board based on the STWLC33 and suitable for wearable applications. The STEVAL-ISB043V1 provides a complete kit, which includes the STWLC33 IC, firmware, layout and tools

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

A module with an active low-pass filter based on NE5532 systems. Dedicated to the bass column (subwoofer)

Compact stepper motor controller with the TMC2208 system with operating voltage from 4 to 35 V. It offers smooth, quiet operation, high efficiency, various operating modes and easy configuration. It is controlled via the STEP/DIR interface and is an ideal solution for 3D printers and similar applications

HX1838 IR Receiver Module for remote control of electronics projects, compatible with Arduino, Raspberry Pi and other microcontrollers. Allows for easy integration and a quick start on DIY projects using infrared communication.

Pololu Simple High-Power Motor Controller 18v15

A module that provides a regulated, galvanically isolated power supply. It allows easy changing of the output voltage from 5 V to 3.3 V using the voltage selection pin (VSEL). Galvanic isolation between input and output effectively prevents problems related to ground loops and ground currents, ensuring stability and protection of the system. Pololu 5384

The Step-Down converter module converts the input voltage of 7 - 26 V to a constant 5 V, with a maximum output current of 3 A, recommended up to 1.6 A for long-term operation. The conversion efficiency of the device is 96% and the module size is 22.3 x 17 x 4.2 mm

The audio level indicator module with screw connection is a versatile device that makes monitoring audio levels much easier while being easy to install and use.