The module protects the load against reverse polarity to -60 V and blocks the flow of reverse current to the power supply. It uses the LM74700-Q1 ideal diode controller and a MOSFET transistor. Thanks to its low impedance (3 mΩ), it supports currents up to 20 A continuous and 50 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5388

With this smart arduino digital servo shield and Dynamixel AX series servos, It\'s quite easy for you to drive multi servos with daisy chain connection with an Arduino board  such as Arduino Uno, and build your robotic dog, hexapod with powerful servos. DRI0027

Module with FM receiver, with its help it is possible to receive radio waves broadcast in the FM band (frequency 50-115MHz). The module has been equipped with a 3,5mm jack socket, through which you can connect headphones. The module has a connector in accordance with the Grove standard. Seeed Studio 107020006

Zeenko ZK06-BM is a portable, low-noise RF amplifier with battery power, operating in the 10 MHz – 6 GHz band. It offers high gain stability, good overload resistance and full compatibility with spectrum analyzers, including tinySA ULTRA. Particularly recommended for measurement applications and antenna systems.

Image sensor MT9M114 with a resolution of 1.26 MPx with built-in NXP LPC4330 processor. Designed for AI applications, it allows for color recognition, line detection and barcode detection. DFRobot SEN0265

Zeenko ZK07-BM is a low-noise, wideband amplifier with very high gain, powered by a battery and intended for operation in the 30 MHz – 6 GHz band. Ideal for compensating losses in long antenna lines, it provides up to 43 dB of gain and very good noise performance. Recommended for installation as close to the antenna as possible in receiving and measurement paths.

Zeenko ZK08-BM is a low-noise, wideband amplifier with a built-in battery, intended for operation in the 50 MHz – 8 GHz range. It provides high signal gain and compensation of losses in antenna paths. Thanks to its compact design and battery power, it performs excellently in mobile and measurement applications.

This step-down converter module allows you to reduce the voltage from 6-60V to a stable 6V 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 5673

This L298N module allows independent control of two DC motors or one stepper motor, ideal for robotics and DIY projects. It supports power supplies from 7V to 35V and has a built-in 5V regulator that can power additional circuits. Control is performed via the ENA, ENB, and IN1–IN4 pins, allowing for adjustable rotational direction and speed. The module is equipped with protection diodes and filter capacitors for stable and reliable operation.

Step-Down DC-DC converter module based on the D36V6F12 system. Input voltage 12.2.50V, output voltage 12V (max. 600mA). Pololu 3796

Step-Down DC-DC converter module based on the D24V150F12 chip. Input voltage 14.5 ... 40V, output voltage 12V (max 15A). Pololu 2885

AP63357 DC-DC Step-Down Converter Module with 5V output, 6 to 32V input and 3.5A maximum output current. SparkFun COM-21255

The FM tuner module with the Si4703 chip allows you to build an FM radio with RDS support. It uses the I2C bus for communication. WRL-12938

Conductivity Sensor Switch DFRobot is a touch button that allows you to change the sensor output status by connecting terminals (positive and negative) using metal, human body or fruit and plants. It is powered by 3.3 ... 5 V. DFRobot SEN0223

The module contains four 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL04_ISO

High-quality digital-to-analog converter that allows for pure stereo audio playback without the need for I2C configuration or the MCLK pin. It supports I2S signals (BCLK, WSEL, DIN) and audio formats up to 32 bits and 384 kHz, providing an excellent signal-to-noise ratio (110 dB). Audio output is available via a 3.5 mm jack or on-board pads, and the module works best as a line output to amplifiers and audio systems. Adafruit 6251

Step-Up converter U3V70A with an output voltage from 4.5 to 20 V, an input voltage from 2.9 to VOUT and a maximum output current of 10 A. Pololu 2890

This miniature IEEE802.3af-compliant PoE module provides 5V power to devices at up to 8W without the need for a separate power cable. It supports both end-span and mid-span modes, offering high efficiency, electrical isolation, and easy integration into IoT and embedded systems. WIZnet WIZPoE-P1

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 6 V with an available output current of around 15 A. Pololu 2882

Servo control module. The operating parameters are configured by means of potentiometers placed on the board. SparkFun WIG-13118