OEM

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.

A set of two 1mm-thick test probes designed for precise measurements of SMD components. Equipped with a standard 2mm socket compatible with multimeter leads. They allow for safe operation with voltages up to 600V and currents up to 10A. Ideal for diagnostics in tight connectors, hard-to-reach sockets, and for testing sensors in electronics and auto repair shops. The set includes two pieces in red and black.

RS485 TTL UART converter module based on the MAX485 chip enables stable conversion of signals between TTL level and the RS485 standard. The device provides data transmission over distances of up to 1000 meters at speeds of up to 2.5 Mb/s, offering high resistance to electromagnetic interference.

It is perfectly suited for industrial automation, distributed IoT sensor networks, robotics, and smart building systems. The module is fully compatible with Arduino, ESP32, and Raspberry Pi microcontrollers.

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.

A compact USB-UART converter based on the CH343P chip. Thanks to its built-in RTS and DTR lines, it enables automatic programming of microcontrollers such as the ESP32 or ESP8266 without the need for manual resets. The module allows for easy selection of a logic voltage of 3.3V or 5V, ensuring full compatibility with Arduino, STM32, and Raspberry Pi platforms. It provides reliable serial communication at speeds up to 6 Mbps, making it an ideal tool for debugging, prototyping, and creating DIY electronics projects.

A black alligator-style test clip with soft silicone insulation is widely used in electronics, diagnostics, and prototyping with Arduino, Raspberry Pi, or ESP32 modules. Dimensions of 35 mm and a jaw opening of 12.5 mm with a strong spring ensure a stable connection. The flexible cover protects against short circuits, and the wire is attached by soldering. The component works well for creating temporary connections, extending multimeter leads, and powering test circuits.

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.