Best sellers

USB-C to USB-C and 3.5 mm Jack adapter allows simultaneous charging and music listening on devices without an audio port. With a built-in DAC converter, it provides high sound quality and broad compatibility.

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

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous current up to 1.1 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4972

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

Direct Digital Synthesizer, 400 MSPS 14-Bit, 1.8 V CMOS, TQFP48, Analog Devices, RoHS

Korad KA3005DS laboratory power supply, which offers stabilized voltage from 0 V to 30 V and current up to 5 A with precise measurement to three decimal places, ideal for amateur and professional applications. Thanks to the ability to store five configurations and OVP and OCP protection, KA3005DS is a reliable tool in laboratories and during electronic repairs. KORAD KA3005DS

BLE Beacon, which emits Bluetooth Low Energy signals, enabling discovery by Bluetooth devices such as smartphones or ESP32 without the need for pairing. With a built-in I2C interface and an 11-bit ADC, it allows data collection from various sensors, and its low power consumption (650nA in sleep mode) ensures long-lasting operation on a single battery, ideal for applications requiring mobility and long range. DFRobot TEL0168

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

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

The ZCG M12-6J PA66 cable gland is a light gray cable pass-through with a metric thread of M12×1.5, made of PA66 polyamide. It is designed for cables with a diameter ranging from 3 to 6.5 mm and provides an IP68 protection rating, ensuring high sealing and resistance to external conditions.

Compact antenna analyzer with a working range from 50 kHz to 1.5 GHz, ideal for HF, VHF and UHF antenna measurements and RF component analysis. Equipped with a 2.8" touchscreen, calibration kit and USB-C interface, it offers simple operation, mobility and the ability to work with a computer or smartphone. NanoVNA-H

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.

Energy-efficient development board with a 32-bit RISC-V 160 MHz processor, designed for smart IoT and home automation applications. It supports modern communication protocols such as Wi-Fi 6, Bluetooth 5, Zigbee 3.0, Thread 1.3 and Matter, which allows easy integration with smart home systems. Thanks to compatibility with Arduino IDE, MicroPython and Gravity and Fermion sensors, the board offers great flexibility and ease of implementation in various projects. DFRobot DFR1075

Compact digital soldering iron with up to 100 W of power, powered by USB-C (PD 2.0), ideal for field and workshop work. It supports C210 tips, offers temperature control from 100-450 ° C, and the built-in OLED display and LED lighting provide convenience and precision. With an accelerometer, sleep mode and the possibility of firmware updates, the TS21 combines the functions of a soldering station with the mobility of a professional tool. Miniware TS21

Motor driver module for Raspberry Pi that allows simultaneous control of servos, DC and stepper motors using I2C interface, with additional UART support for external communication. With a built-in DC-DC regulator, it can power Raspberry Pi with up to 3A current, while its stackable design and spare DIP headers for camera and display increase design flexibility. The module is ideal for robotic projects, offering independent power supply for servos, adjustable PWM, and additional features such as buzzer and IR receiver. DFRobot DRI0054