This stepper motor driver offers microsteps down to 1/256th of a step, ensuring exceptional precision and smooth motion. Its simple operation—requiring only two microcontroller pins—and low operating voltage (1.8 to 10V) make it ideal for energy-efficient mobile, robotic, and DIY applications. Integrated connectors, LEDs, and a potentiometer for current adjustment facilitate prototyping and secure integration with popular platforms like Arduino and ESP32. Adafruit 6353

Brushless motor driver module (ESC regulator) with current efficiency up to 45 A

Waveshare 30052 is a 10.1-inch DSI display with a resolution of 800×1280, featuring a 10-point capacitive touch panel and optical bonding technology, ideal for use in interactive user interfaces. With compatibility for Raspberry Pi, ESP32, and RK35xx series chips, it is suitable for embedded systems, control panels, and multimedia solutions.

Aluminum adapter that allows you to convert the 1/4" thread used in photographic tripods to a 5/8" 11-TPI thread. Standard for antennas and surveying equipment. Thanks to its lightweight and durable design, it allows you to easily and stably mount RTK antennas on a tripod or monopod, ensuring precise measurements. SparkFunPRT-17546

ESC RC controller module with FlySky receiver. It allows you to control two motors in two directions and one motor in one direction. Dasmigro 2.4G 7CH

A compact sound module for e-textile projects that generates a loud and clear 2.7 kHz tone at 3V. Featuring a sewn-on, double-sided PCB and marked \'+\' and \'-\' terminals, integration with conductive thread is quick and reliable. The buzzer is ideal for interactive clothing and educational gadgets. Kitronik 2745

The USR-IO4040 is an I/O expansion module designed specifically for use with the USR-M100/M300 modules. This module allows for the expansion of your system with additional digital ports, providing even greater flexibility in managing and controlling devices in industrial applications. With its robust construction and ease of integration, the USR-IO4040 is an excellent complement to the USR-M100/M300 gateway, enhancing its monitoring and control capabilities. USR-IO4040 

Ready-to-use LED controller with ESP32 and enclosure, compatible with WLED. Wi-Fi support, 5V outputs, microphone, IR, NeoPixel, and screw terminals. Adafruit 6333

Gravity module designed based on the GP8211 system. It is a single-channel DAC (analog-to-digital) converter with I2C communication that offers an output signal with a resolution of 15-bit and an accuracy of 0.01%. It allows you to generate analog signals with a voltage range from 0 to 10 V or 0 to 5 V. DFRobot DFR1071

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4875

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

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

The ACS72981 current sensor module uses the Hall effect to precisely and safely measure DC current while providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes power loss and offers a fast response time of less than 2 µs. Pololu 5284

The ACS72981 current sensor module uses the Hall effect to precisely and safely measure DC current while providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes power loss and offers a fast response time of less than 2 µs. Pololu 5264

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4855

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

Miniature relay Finder 46.61.8.230.0040 with one 16 A changeover contact and a 230 V AC coil designed for industrial applications. The compact design, high durability, and optional diagnostic functions support reliable operation in automation and control installations.

The Raspberry Pi RMC20452T is a Wi-Fi 4 and Bluetooth 5.2 module designed for use with Raspberry Pi microcontrollers like the RP2040. It offers low power consumption and simple integration thanks to its gSPI interface and full radio certification. Ideal for IoT projects, home automation, and wireless communication systems

A 0.91-inch OLED display that offers a resolution of 128x32 pixels and the ability to display up to four lines of text. It communicates via an I2C interface and uses popular Qwiic connectors. SparkFun LCD-24606

This module allows you to automatically turn on LEDs in the dark thanks to a built-in light sensor. It comes with a CR2032 battery holder and a slide switch to turn the module on and off. It also has two sets of pads for connecting LEDs, allowing for flexible lighting design. Kitronik 2721