This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420

A USB-to-I2C adapter that allows a computer to act as an I2C bus controller, supporting speeds over 1 MHz, clock stretching, and bidirectional communication. The device offers full galvanic isolation between USB and I2C, protecting the computer from damage and interference, and provides an isolated 3.3V or 5V voltage, eliminating the need for an external I2C power supply. With JST SH and goldpin connectors, USB-C support, a virtual serial port, and a Python library, the adapter is a versatile tool for working with I2C devices in both hobbyist and professional projects. Pololu 5397

This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421

Gravity: Digital 10A Relay Module is a module with 10A 35VAC / 30VDC relay compatible with devices with control signals in the range of 2.8 ... 5.5V. DFRobot DFR0473

Pololu Dual G2 High-Power Motor Driver 18v22 is an extension that allows you to control two DC motors designed for Arduino tiles. The motor can be supplied with 6.5 ... 30V voltage and can draw up a maximum current of 22A. Polol 2517

Pololu 2834

Mini Maestro 24 (kit) is a flexible controller for advanced applications with multiple servos, offering sophisticated motion control, signal reading, and autonomous operation capabilities. It is ideal for use in robotics, animatronics, and embedded systems as a precise controller and input/output expander.

The Step-Down 4A 3.3V/5.2V converter module is a compact device with a large input voltage range, enabling precise conversion to 3.3V or 5.2V output with low static power consumption and low output noise. Perfect for powering electronic projects and microcontroller circuits, offering stability and performance.

A step-down converter module that allows you to reduce the input voltage from 4–36 V to a stable 3.3 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5592

The ICS43434 digital MEMS microphone module with an I2S interface that eliminates the need for A/D conversion and provides clean audio output in the range of 50 Hz to 15 kHz. With channel selection and low current consumption, it is suitable for stereo systems, voice recognition and portable applications. Compatible with popular microcontrollers, it provides high quality sound with low noise. Adafruit 6049

Pmod I2S2 is a module with 24-bit A / C and D / C audio converters derived from standard 3,5 mm Jack connectors. Thanks to them, it is possible to send and receive stereo audio signals using the I2S protocol. Digilent 410-379

Sound terminal expansion board based on STA350BW for STM32 Nucleo

Barcode Scanner Module (E) is a compact and precise module for reading 1D/2D codes, compatible with industrial DPM codes. With USB and UART interfaces and various operating modes, it will work well in automation applications, production, identification and tracking systems.

The X-NUCLEO-IHM16M1 motor driver expansion board is based on the STSPIN830 monolithic driver for three-phase brushless motors. It represents an affordable, easy-to-use solution for driving brushless motors in your STM32 Nucleo project, implementing single and three-shunt current sensing

This ideal diode module allows for safe connection of two power supplies to a common output point, preventing reverse current flow. Built-in 20mΩ resistors allow for simple voltage compensation and load balancing between the power supplies. The board offers flexible input and output connectors, facilitating integration into industrial and hobby systems requiring high power reliability. Pololu 5398

Dual motor controller that allows you to control two DC motors with 2.7-10.8V voltage and 1.2A continuous current per channel. Pololu 2130

USB-C adapter with 5.1 kΩ resistors for setting safe 5 V power without PD negotiation. Adafruit 6323

The 7-inch industrial HMI module, based on the Raspberry Pi 5 with a Broadcom BCM2712 processor (Cortex-A76, 2.4GHz), offers 8GB RAM and a 32GB SD card, providing performance for IoT applications. The device supports 2.4/5GHz Wi-Fi, Bluetooth 5.0, 4Kp60 video output on two screens via HDMI, and is designed to work in temperatures from -20℃ to 60℃, thanks to its robust housing and fanless design. Edatec ED-HMI3010-070C-0832

The Broadcom BCM2711 (Cortex-A72, 1.5GHz) HMI module offers 4GB RAM, 8GB eMMC memory and the possibility of expansion via Micro-SD card, as well as fast Wi-Fi (2.4/5GHz) and Bluetooth connections. Equipped with a 10.1-inch touch screen (1280x800, 400 cd/m² brightness) and a rich set of interfaces (Gigabit Ethernet, HDMI, USB 3.0/2.0), it is powered in the range of 9-28V DC or via PoE, making it ideal for industrial and IoT applications. Edatec ED-HMI2020-101C-1408