Electronic

A high-performance stereo audio amplifier module operating in Class D, based on the reliable TPA3116D2 chip. It delivers high output power and clean sound when powered by 12-26V DC. The module works seamlessly with speakers with an impedance of 4-8 Ω.

The device features convenient screw terminals, independent channel volume control, and comprehensive protection against short circuit and overheating. It is ideal for home audio systems, building portable speakers, and advanced DIY projects.

Durable 18650 1S 3.7V battery holder - a reliable way to power electronic circuits. It has factory-installed 15 cm leads and a practical screw mounting hole for stable mounting and fast hook-up.

This compact battery holder is ideal for powering microcontrollers, including Arduino and Raspberry Pi. It works well for custom power modules, power banks, RC models, and standalone LED lighting systems.

The XH-M602 module is a universal battery charging controller powered by 220V. The device automatically manages the charging process by turning the external charger on and off, which effectively protects the cells from overcharging. It supports a wide operating voltage range from 0V to 120V with high precision. The module works with Li-Po, Li-Fe, Li-Ion, and gel batteries. The compact design is ideal for backup power systems and electronics projects using Arduino or Raspberry Pi.

Efficient step-down buck converter with the XL4015 supports input voltage 4 - 38 V and output 1.25 - 35 V. The module enables smooth voltage and current regulation up to 5 A using built-in potentiometers. The device achieves efficiency up to 95% and includes essential thermal protection. The converter is ideal for powering electronic circuits, charging rechargeable batteries, and building workshop power supplies. Input voltage must be at least 1.5 V higher than the output voltage.

High-efficiency buck voltage converter based on the XL4015 IC. The Step-Down module accepts input voltage 5.5 - 36V DC and allows smooth output voltage adjustment in the range 1.25 - 32V DC. Maximum output current is 5A. The device supports CC/CV mode for safe battery charging and LED lighting. The converter offers high efficiency of 95% and built-in short-circuit and thermal protection. Ideal for bench power supplies and microcontroller projects.

A high-performance DC-DC step-down voltage converter based on the XL4016 IC. It allows smooth adjustment of the output voltage from 1.25 V to 35 V with an input of 4 - 38 V. The module offers a maximum power of 200 W, current up to 8 A, and high efficiency of ~90%. It is well suited for powering Arduino, Raspberry Pi, LED systems, and solar panel installations. Precise multi-turn potentiometers ensure full control of operating parameters in a compact package.

Reliable protection for 12V and 24V batteries against deep discharge. The device continuously monitors voltage in the 8-36V range and automatically cuts power when it drops below the set value. It offers precise cutoff voltage and hysteresis adjustment via built-in buttons, plus a clear display. Ideal for photovoltaic systems, campers, emergency backup power, and protecting gel batteries from damage - effectively extending battery life.

Efficient switched-mode power supply delivering stable 5V voltage and 3A current. Features an integrated cable terminated with a universal Micro USB plug. The device is ideal for powering development platforms such as Raspberry Pi mini computers, Arduino modules, ESP32, or ESP8266. It ensures safe operation of home automation systems, IoT projects, and consumer electronics. A built-in LED allows monitoring of power status. The power supply protects equipment from overvoltage and guarantees high reliability.

Compact universal power supply with 30 W power, stepped voltage adjustment from 3 V to 12 V, and output current up to 3 A. Equipped with a set of 6 interchangeable tips, it is ideal for powering electronic equipment such as prototype boards, routers, monitoring systems, and LED lighting. A durable ABS and PC plastic housing ensures resistance to damage. A stable solution for home and workshop that replaces many dedicated devices.

A compact set of 2 speakers rated at 5W with 8 Ohm impedance. The 100 x 45 x 21 mm module has pre-wired leads with a PH2.0 4PIN connector for quick, solder-free installation. The product works well in electronic projects using platforms such as Arduino, Raspberry Pi, or ESP32. It is widely used in notification systems, robotics, arcade machines, and portable audio devices, delivering clear sound in space-limited applications.

A comprehensive metal film resistor kit contains 300 pieces in 30 values from 10 Ω to 1 MΩ. The components are rated at 0.25 W with a precise 1% tolerance. Components are individually taped in a practical storage box.

The product is ideal for circuit prototyping, creating voltage dividers, and limiting current for LED diodes. An excellent choice for projects based on Arduino, Raspberry Pi, or ESP32, as well as for repair work and education.

Long UHF adapter (PL/PL) with a length of 40 mm equipped with SO-239 sockets is a reliable barrel - ideal for extending antenna cables. The extended design and lock washers enable stable mounting in enclosures and thicker walls. High-quality Teflon (PTFE) insulation and precise Premium threads guarantee durability. The connector works with every UC-1 plug, performing excellently in professional radio communication systems, base stations, and CB equipment.

A compact USB charger for cylindrical Li-Ion batteries supports a wide range of cells, including popular sizes 18650, 21700, 14500, and 10440. Power from a standard USB port allows convenient charging from a computer or power bank. The device charges at 500 mA at a safe 4.2 V, and operating status is shown by a built-in LED. This versatile solution works well for charging flashlight, toy, and electronics project batteries.

Automatic 42V 2A charger with a DC 8mm plug designed for Xiaomi M365, PRO, and PRO 2 scooters. The power supply features an LED diode that indicates operating status, as well as a smart processor that protects the battery from damage after full charge. The device offers comprehensive protection against short circuit, overload, and overheating. It works perfectly as a safe replacement for damaged equipment or as an additional power supply at the office. A wide voltage range allows daily charging of electric vehicles.