Electronic

Li-Ion battery charger with Step-Up 5V converter is a compact module for building power banks and powering portable circuits. It supports popular lithium batteries, including 18650 cells. The integrated converter boosts voltage from 3.7-5V to stable 5V at the USB connector.

The device offers a maximum charging current of 1A via the microUSB port. The module ensures safety with built-in over-discharge protection - the minimum cutoff voltage is 2.9V.

LM2596S DC-DC Step-Down Buck Converter is a high-efficiency step-down module. It supports input voltage 3-40V and output 1.5-35V at maximum current 3A. The circuit achieves up to 90% efficiency. The built-in multi-turn potentiometer enables smooth and precise regulation of operating parameters. The product is ideal for powering microcontrollers such as Arduino and Raspberry Pi, voltage stabilization in DIY projects, and powering high-power LEDs.

A universal power supply module based on the LM317 integrated circuit is a reliable adjustable voltage regulator. It enables smooth adjustment of the output voltage in the range of 1.2V - 35V with an input voltage of 3V - 35V. The circuit delivers current up to 1.5A, and an integrated heat sink ensures safe heat dissipation. The compact dimensions make the module ideal for powering microcontrollers, stepping down voltage in battery-powered systems, and building small bench power supplies. It guarantees stable operation at temperatures from 0°C to +120°C.

Set of 10 color-coded wires with spring clips is an ideal solution for SALEAE logic analyzers. Each cable is 24 cm long and ends with a female DUPONT connector and an insulated grabber. A strong spring ensures stable contact, while the retractable mechanism minimizes the risk of short circuits.

These wires work very well for measuring digital signals and diagnosing I2C, SPI, and UART buses. The product is compatible with Arduino, Raspberry Pi, ESP8266, and ESP32 platforms, making safe prototyping easier.

The compact LoLin32 ESP32 module is a high-performance platform with WiFi and Bluetooth, featuring 4 MB Flash memory and a processor clocked at 240 MHz. It offers 26 digital I/O and 5 V power via the microUSB port. The integrated TP4056 enables charging of Li-Ion batteries at up to 500 mA. The board is well suited to advanced IoT projects, Smart Home systems, and building portable wireless sensors.

Outdoor IP65 waterproof antenna for communication in LoRaWAN networks at 433 MHz and 470 MHz. It offers 5 dBi gain for significantly greater range of wireless systems and IoT applications. It has a male SMA plug, an integrated 3 m cable, and a magnetic base for easy mounting. Fully compatible with ESP8266, ESP32, Arduino, and Raspberry Pi modules. Ideal for telemetry, building automation, and weather stations.

The MB-102 solderless breadboard with 830 tie points is an ideal solution for quickly building electronic circuits without soldering. It offers four power rails and works well with popular microcontrollers such as Arduino, Raspberry Pi, and ESP32.

It comes with factory double-sided tape and clips for stable mounting and joining boards into larger working modules. It is widely used in education, sensor testing, and designing circuits for robotics.

The MB102 power module is a reliable power source for breadboards, ideal for microcontroller projects such as Arduino or Raspberry Pi. The device offers dual power rails with independent selection of 5V or 3.3V voltage. The module can be powered via the USB port or a standard DC 2.1/5.5 mm jack. It includes a practical master switch and an LED. It enables quick installation and stable voltage, protecting sensitive electronic components from damage.

The compact Micro USB 5 PIN socket on a PCB provides full access to all signal and power lines. The module, measuring 15 x 14 mm, has 3.5 mm mounting holes that ensure mechanical stability. The product is ideal for prototyping electronic circuits, powering microcontrollers at 5V, and repairing damaged ports. Ready solder pads make it easy to integrate with projects based on Arduino, ESP8266, or Raspberry Pi, saving time during assembly.

The compact Mini 360 DC-DC Step-Down Converter with the MP2307DN chip is a reliable solution for stepping down voltage. It accepts input voltage 4.75 - 23 V and allows smooth adjustment of output voltage in the range 1.0 - 17 V. It delivers a stable current of 1.8 A at high efficiency of 95%.

Thanks to its miniature size, the module is ideal for IoT projects, powering microcontrollers, drones, and portable devices. It is an excellent alternative to heat-dissipating linear regulators.

The compact USB Type-A mini lamp is an energy-efficient light source equipped with 3 powerful LEDs. The device consumes only 0.1 W of power and has miniature dimensions. Thanks to the integrated mounting hole, it works great as a keychain.

The lamp works with any standard USB port. It is an excellent solution as emergency keyboard lighting, a handy flashlight powered by a power bank, or a simple power tester. The durable construction guarantees reliability in all conditions.

The OMRON SSR 5V 1-channel solid-state relay is a module ideal for controlling devices using AVR, ARM, Arduino, STM32, ESP8266 and Raspberry Pi microcontrollers. It features galvanic isolation between input and output. The specification includes 4 relay channels, 5V supply voltage, low state activation and Normal Open type contacts. The maximum load is 2A at 250V AC. This is an excellent tool for prototyping electronic circuits.

Capacitive soil moisture sensor V1.2 is a reliable measurement module that eliminates electrode corrosion. Thanks to the integrated voltage regulator, it operates over a wide 3.3 - 5 V range. It is fully compatible with popular platforms such as Arduino, Raspberry Pi, ESP8266 and ESP32.

The module provides stable readings and exceptionally long service life. It works excellently in IoT projects, smart pots and automatic plant irrigation systems. It has a convenient analog interface for quick integration.

A compact power bank module for use with Li-Ion 18650 cells at 3.7 V. Enables building portable power sources and refurbishing devices. It has two USB A outputs supporting fast charging and three inputs: USB-C, micro-USB, and Lightning. Maximum charging current is 2.4 A.

The board includes an LED display indicating charge level. Built-in protections guard against overcharge and over-discharge. Observe correct polarity when connecting cells to the B+ and B- pads to avoid damage.

A compact 2-channel relay module designed for ESP8266 (ESP-01 and ESP-01S versions). It enables independent control of two circuits with a maximum load of 10A at 250V AC. The module is powered by 5V DC and offers NC and COM outputs. It has additional GPIO and UART pins for connecting external sensors. It works perfectly in building automation systems, lighting control, and IoT projects. The device is fully compatible with ESPHome and Tasmota software, making integration with Home Assistant easy.

A universal step-up voltage converter based on the high-performance XL6019 IC. The module provides reliable power for projects with microcontrollers, DC motors, and LED lighting using lower-voltage sources. It accepts an input voltage of 5V - 30V DC and smoothly regulates the output to 5V - 40V DC. The module delivers up to 5A output current with energy efficiency up to 94%. A built-in potentiometer makes precise parameter setting easy. Compact dimensions allow straightforward installation.

MB102 breadboard power supply module is a reliable dual-channel device that provides stable voltage for a wide range of electronic projects. The power supply supports a wide DC 7-12V input voltage and is equipped with a universal Mini USB interface. The power board has two independent voltage channels, enabling highly flexible simultaneous power delivery to multiple components. The module is ideal for rapid prototyping and testing circuits on standard breadboards.

The compact MP1584EN DC-DC step-down buck converter is an efficient power supply module with a wide operating range. It steps down the input voltage of 4.5V - 28V to a level of 0.94V - 24V at a maximum current of 3A. Thanks to the built-in potentiometer, it allows for smooth adjustment. The module features high energy efficiency and integrated protection against overheating and short circuits. It is ideal for Arduino and Raspberry Pi projects, battery power systems, and home automation, replacing standard linear regulators.