Electronic

A compact Li-Ion TP4056 cell charger with a USB-C connector is a module for safely charging rechargeable batteries, including popular 18650 cells. The device delivers a maximum charging current of 1 A at an input voltage of 4.5 V - 5.5 V. Integrated protection prevents the cells from discharging below 2.5 V. The module has LED indicators that show operating status. It is well suited to portable electronics projects, DIY power banks, and backup power, and supports batteries that do not include a factory protection circuit.

TP4056 1A charger is a universal module for charging Li-Ion and Li-Pol batteries at 3.7 V. It features a Micro-USB connector and built-in protection against excessive discharge and overload. It is well suited to charging popular 18650 cells in electronic projects, building portable power supplies, or emergency systems.

The circuit’s input voltage is 4.5 - 5.5 V, and the maximum charging current is 1 A. Its compact size makes mounting easy, while integrated LEDs continuously indicate the current charging status.

The compact capacitive touch sensor TTP223 is an excellent replacement for traditional mechanical buttons. The module is fully compatible with platforms such as Arduino and Raspberry Pi. The device operates at a supply voltage of 2V - 5.5V and has a very fast response time of about 60ms.

Thanks to its small size and built-in LED that indicates operating status, the sensor is ideal for home automation systems, control panels, and lighting switches. No mechanical wear ensures long, trouble-free operation of the module.

The TTP223B module is a modern capacitive touch sensor that replaces traditional mechanical buttons. The device operates from 2 - 5.5 V and offers a fast 60 ms response time. It includes an indicator LED and adjustable sensitivity. The sensor is compatible with Arduino, Raspberry Pi, and ESP32. It is ideal for hidden control panels, interactive toys, and modern interfaces in smart home systems.

A compact step-down converter that lowers voltage from 6V - 24V to a stable 5V. The module includes a Type A USB connector and a status LED. The circuit delivers a maximum output current of 3A, with a continuous operating current of 2.1A.

Thanks to its miniature size, the module is ideal for projects with limited space. The converter is well suited to powering microcontrollers such as Arduino, Raspberry Pi, or ESP32. It is useful for DIY chargers and for powering circuits in robotics and modelling.

The compact USB CP2102 converter is a reliable RS232 TTL UART communication interface. It has a USB A connector and TX, RX, DTR, GND, and VCC routed to a pin header. The device supports a 5V supply voltage, while the logic level of the signals is 3.3V. Three built-in LED indicators show power and data transmission. The module works excellently for microcontroller programming, such as ESP8266, ESP32, or Arduino, as well as for serial communication with GPS, GSM modules, and router repair.

USB-A 2.0 4-pin male plug on PCB is a versatile solution for projects with Arduino, ESP32, and Raspberry Pi. The module has pins at the standard 2.54 mm pitch, which simplifies mounting on breadboards. It provides access to the 5V supply line, ground, and data lines. It is ideal for powering your own circuits, prototyping devices, building custom adapters, and repairing cables. Two mounting holes ensure stable mounting in DIY enclosures.

A compact USB-C to USB-A 3.0 adapter for connecting traditional devices to modern ports. With USB OTG and USB 3.0 support, it delivers fast data transfer and efficient charging for mobile devices. The black adapter is only 20 mm long and highly portable. It works well with USB flash drives, mice, keyboards, and gamepads. No driver installation is required; it works with any hardware that supports host mode, offering full versatility for everyday use.

The compact USB-C to USB-C (male-to-male) coupler is a universal solution for modern devices. The adapter has two male plugs and supports the Power Delivery up to 100W standard, providing rapid charging for laptops, tablets, and smartphones. The product enables stable data transfer and high-quality image and video transmission to external monitors. It also allows direct connection of devices equipped with female ports. This versatile accessory combines power, data, and video signal in one.

Voltage-to-PWM converter is a universal module that converts 0-5V or 0-10V signals to PWM 0-100%. Input range selection is via a convenient jumper. The device is ideal for smooth control of DC motors, fans, and pumps. The module is fully compatible with popular microcontrollers such as Arduino, ESP32, and Raspberry Pi. The integrated potentiometer enables precise calibration, and compact dimensions simplify mounting in automation systems and electronics projects.

The compact WeMOS D1 Mini WiFi module with the ESP8266-12F chip is a versatile solution for IoT projects. The board features 4MB Flash memory, a CH340 converter, and a microUSB connector for easy programming in the Arduino IDE environment.

The microcontroller offers a rich set of pins, including 11 GPIO pins, an ADC input, and support for UART, I2C, SPI, and 1-Wire interfaces. The module supports Wi-Fi connectivity, making it an excellent choice for building smart sockets, switches, and home automation systems.

Compact white 0.96 inch OLED display with 128x64 pixel resolution. Equipped with the reliable SSD1306 controller, it supports I2C and SPI interfaces. The module is fully compatible with popular platforms such as Arduino, ESP8266, ESP32, and Raspberry Pi. Powered at 3-5V, it offers high contrast and low power consumption. Ideal for home automation, weather stations, IoT projects, and wearable electronics.

The high-performance WIFI ESP8266 NodeMCU V3 module is an ideal solution for IoT projects and Smart Home systems. The board offers 10 GPIO pins, I2C and 1-Wire support, a microUSB connector, and a built-in PCB antenna. The integrated CH340 converter simplifies programming in Arduino IDE. The device provides stable Wi-Fi 2.4 GHz communication and 4 MB of flash memory. It works well in building automation, weather stations, and wireless sensors.

The set includes 65 colourful male-to-male jumper wires with lengths from 12 cm to 24 cm. The cables have a standard 2.45 mm pitch and are used for quick connection of breadboards and electronic modules without soldering. The jumpers are fully compatible with popular platforms such as Arduino, Raspberry Pi and ESP32. Different colours and lengths make it easy to identify connections and keep things organised when prototyping circuits and creating IoT projects.

This USB-A male adapter with a 4-pin screw terminal lets you build custom USB connections quickly without soldering. Wires attach via screw clamps. It has a detachable terminal block and clearly marked pins. Ideal for prototyping, cable building, and powering circuits. Fully compatible with microcontrollers such as Arduino, ESP8266, ESP32, and Raspberry Pi.

3.5-inch touch TFT LCD display with 320 x 480 pixel resolution. The module uses the ILI9488 driver and communicates via the SPI interface, which saves microcontroller pins. It has a built-in SD card reader for storing graphics.

The screen is compatible with platforms such as Arduino, ESP32, and Raspberry Pi. It requires 3.3 V power and logic voltage. Applications include building user interfaces, home automation panels, and displaying sensor data.

A color display module with a 2.25-inch diagonal and 76 x 284 px resolution. It uses a TFT LCD panel and the popular ST7789 controller. Communication takes place via a fast SPI interface, and power requires a voltage in the range of 2.8 V - 3.3 V.

The screen is compatible with ESP8266, ESP32, Arduino, and Raspberry Pi platforms. Thanks to its elongated proportions, it is ideal for weather stations, narrow information panels, and yoradio players. It provides high readability and easy integration with IoT systems.

A compact control panel combining a 1.3" OLED display with 128 x 64 px resolution and SH1106 controller, a precise EC11 encoder, and two buttons. The screen glows in white, and communication runs over the I2C interface. The module is powered by 3.3V and works with Arduino, ESP32, and more.

Integrating all elements on a single board makes it easier to build user interfaces. The product is ideal for navigation menus, measurement data visualization, portable device builds, and as an operator panel in automation projects.