This module allows independent control of two Omron G5LE-14-DC5 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5665

Crowtail – 3-Axis Digital Accelerometer (±16g) is a digital MEMS accelerometer with a wide measurement range and high sensitivity, based on the ADXL345 chip. Intended for projects requiring motion, orientation, and acceleration detection in robotics, safety systems, and interactive devices.

A versatile board for two SPDT "sugar cube" relays, allowing for easy control using 2.5-20V logic signals. Built-in BSS138K MOSFETs and LEDs indicating channel activation make the module ideal for use with Arduino and Raspberry Pi. The board supports 5V or 12V relays, and JST SH connectors and 5mm terminal holes ensure convenient connection. Pololu 5667

This step-down converter module allows you to reduce the voltage from 6-60V to a stable 6V at a current of up to 11A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5673

COB LED ring, made of aluminum PCB, emits warm white light (2800-3000k) at 12 V DC with a maximum current consumption of 1000 mA, offering a wide beam angle of 120 °

The Step-Down panel-mounted converter module enables precise regulation of input voltage (6V-70V) and output current (0-5A), with a maximum output power of 300W, conversion efficiency up to 95%, and short-circuit and anti-reverse connection protection. The device, with dimensions of 120mm x 64mm x 72mm, is equipped with continuous regulation functions, with a resolution of 0.01V for voltage and 0.001A for current, and operates in a temperature range of -10 to +75 degrees Celsius.

This step-down converter module allows you to reduce the voltage from 18-60V to a stable 18V at a current of up to 8A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device has built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5681

This XIAO ESP32-C6-based relay module is designed for intelligent automation. It allows independent control of six channels via Wi-Fi, Zigbee, Thread, or BLE, and thanks to the built-in ESPHome, it easily integrates with Home Assistant. It supports DC devices up to 30V, features two Grove ports for expansion, and comes in an aesthetically pleasing PLA enclosure. Ideal for IoT systems, home automation, lighting, and motor control. Seeed Studio 114993588

Breakout board with plated through-holes (PTH) for routing HSTX signals, intended for prototyping and testing high-speed interfaces. SparkFun BOB-28467

Compact low-power wireless module based on the Semtech LR1110 and Nordic nRF52840, designed for long-range IoT applications and location tracking. Supports LoRaWAN, GNSS GPS/BeiDou, passive WiFi scanning and Bluetooth 5.3, enabling both indoor and outdoor positioning. Seeed Studio 114992865

The Step-Down Converter Module with Voltmeter and Ammeter offers a wide input and output voltage range, with a maximum output current of 12A and a power of 160W. It comes with advanced monitoring and protection features and its conversion efficiency is around 96%.

Infrared sensor module for presence and motion detection based on the STHS34PF80, featuring an I2C interface and STEMMA QT / Qwiic connectors, capable of detecting objects up to 4 m without a lens. Adafruit 6426

Step-Down converter module converts input voltage (5-23V) to adjustable output voltage (0-16.5V) with maximum current 3A, featuring high precision (1%) and efficiency (up to 95%). Compact size and display make it ideal for various applications, e.g. DIY projects

Stretch sensor in the form of a conductive rubber cord with a length of 3m and a diameter of 2mm, changing resistance depending on the amount of stretch, supplied with accessories for simple analog measurements. Adafruit 6379

GNSS receiver to receive navigation signals from satellite navigation systems such as GPS and BeiDou. It offers positioning accuracy of up to 2 m. DFRobot TEL0157

Universal plate, prototype 800 contact fields, size 125x160 mm on a metal stand. WBU-502L

The QFN8 adapter is a universal design equipped with two QFN8 sockets for 6x5mm and 8x6mm ICs marked QFN8, MLF8, MLP8, WSON8, DFN8.

Crowtail-LoRa RA-08H is an energy-efficient LoRaWAN communication module with the ASR6601 chip, enabling data transmission up to 1 km in the 803–930 MHz band. Ideal for IoT projects, automation and remote monitoring systems requiring long battery-powered operation.

Crowtail-LED Bar 2.0 is a compact data visualization module with 10 LED segments, intended for projects based on Arduino and the Crowtail system. It enables graphical representation of levels and values, and thanks to the cascading function it is suitable for more advanced indicators and light animations.