OEM

High-quality USB 2.0 A to USB-C cable with a length of 1 meter is designed for fast charging and data transfer. Reinforced plugs and a flexible construction provide high resistance to mechanical damage. The cable is ideal for powering and programming ESP32, Arduino, and Raspberry Pi modules. It is a universal accessory for smartphones, tablets, wireless earbuds, and power banks equipped with a USB-C port.

Compact KCD11 Mini rocker switch ON-OFF is a universal component for controlling power in small devices. It features a maximum load of 250V AC / 3A or 125V AC / 6A and has two pins. Thanks to its small size, it works well in DIY projects based on Arduino, Raspberry Pi, or ESP32. It offers simple mounting and reliable operation in prototype circuits, modeling, and when repairing small electronic equipment.

Professional USB to UART converter based on the CH340G chip with a USB-A connector. The device emulates a virtual COM port and allows selection of 3.3V or 5V logic voltage via a jumper. The module has LEDs indicating transmission status and additional RTS and CTS pins for hardware flow control.

Works perfectly as a programmer for Arduino, ESP8266, and ESP32 microcontrollers. It also enables serial communication with Raspberry Pi, diagnostics of network devices, and reading data from sensors equipped with a UART interface.

LCD display 1602 with keypad

The screen has adjustable contrast and an ICSP programming connector.

The 3S - 12V - 25A BMS 18650 LI-ION charger is a powerful battery management device designed with safety and durability in mind. It features a supply voltage of 12.6V and a maximum charging current of 25A, with the ability to support transient current up to 40A. With a very low resting current of 30uA and an internal resistance of 100mOhm, it is energy efficient and effective. The charger can operate up to 30,000 hours, offering robust performance for a long time. It has compact dimensions of 56 x 45 x 1.2 mm, making it easy to integrate into various projects. Equipped with a range of protections: over-discharge, over-charging, current overload and short-circuit, it provides protection for both the battery and its associated devices.

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.

Compact bidirectional RS232 to TTL converter module using the proven MAX3232 chip. A wide supply voltage range of 3.3V - 5V ensures direct compatibility with Arduino, ESP32, and Raspberry Pi systems. The device guarantees reliable transmission at speeds of min. 120 kbps. The module is commonly used for communication with industrial devices, during programming and diagnostics of PLC controllers, and for reading data from professional electronic scales.

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.

High-performance ESP32 development board with the ESP-WROOM-32 module, supporting WiFi and Bluetooth BLE connectivity. It features a dual-core 32-bit processor, 4MB Flash, and a USB-C connector with the CP2102 chip. The module is a more powerful successor to the ESP8266 chip, offering low power consumption.

The board is compatible with the DEVKIT V1 standard. It works great in IoT projects, home automation, and sensor systems. It provides compatibility with Arduino IDE and MicroPython environments, and the soldered headers make prototyping easy.

The compact ESP32 D1 Mini module is a high-performance development board with a dual-core processor, featuring WiFi and Bluetooth BLE communication. The device has a USB-C connector, 4 MB Flash memory, and is compatible with shields for the older ESP8266 version. The module works excellently in Smart Home systems, weather stations, and advanced IoT projects. Thanks to optimized sleep modes, it is ideal for energy-efficient battery-powered applications.

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.