Crowtail – 315MHz RF Receiver with Transmitter 2.0 is a simple set for one-way wireless communication in the 315 MHz band, intended for remote control, automation, and IoT projects. Easily integrated with Arduino systems via the Crowtail interface.

Class A power amplifier with one channel, 10 W. Built on the popular design of J. Hood from 1969. The set includes 2 pieces

BME688 environmental sensor module for measuring temperature, humidity, atmospheric pressure and VOC gas resistance; IAQ index calculation using the Bosch BSEC library; Bosch AI Studio support for gas mixture recognition; I2C interface; 3.3 V power supply and logic levels; 2 Grove connectors; compatible with Raspberry Pi and Raspberry Pi Pico.

360-degree laser scanner (LIDAR), with a range of up to 12 meters and measurement frequency up to 10 Hz (optimal value 5.5 Hz). DFRobot DFR0315

LED strip with addressable RGB WS2813B diodes on a black PCB. It is powered by 5 V DC, has a length of 5 m and 60 LEDs/m. Protection degree IP67

An energy-efficient wireless communication module that combines the Nordic nRF52840 microcontroller with the Semtech LLCC68 LoRa transceiver. It supports LoRa, LoRaWAN, Bluetooth 5.3, Thread, Zigbee, and NFC, offering a range of up to 10 km and +20 dBm transmit power. Its built-in UART interface with AT commands and low power consumption (5 µA in sleep mode) make it ideal for IoT devices and battery-powered systems. Elecrow nRFLRCC68 Wireless Transceiver Module

A compact pressure and temperature module ideal for weather stations, drones, and IoT projects. It offers a measurement range of 300–1100 hPa with ±3 Pa accuracy and temperature measurement with ±1°C precision. With a built-in 3.3V regulator and logic level converter, it works with both 3V and 5V microcontrollers. STEMMA QT/Qwiic connectors make it easy to quickly connect and daisy-chain multiple sensors in a single system. Adafruit 6420

This control module offers precise analog control on two axes and supports a built-in central button. It communicates via I2C and uses a Qwiic connector, allowing for quick connection and daisy-chaining with other modules without soldering. The module offers 12-bit measurement resolution and a 60° range of motion in both axes, ensuring smooth and accurate readings. It is fully compatible with Arduino platforms such as the UNO R4 WiFi, UNO Q, Nano, and Nesso N1. Arduino ABX00135

A digital gas and air quality sensor that measures eCO2, TVOC, and the AQI air quality index. The device utilizes metal-oxide technology with four sensor sections and an embedded microcontroller, simplifying operation and integration with Arduino, Raspberry Pi, and CircuitPython platforms. The sensor supports I2C and SPI interfaces, as well as temperature and humidity compensation using an external sensor. The compact design and STEMMA QT/Qwiic standard allow for easy integration into projects. Adafruit 6431

A low-power LoRa communication node with pre-installed Meshtastic software, designed for field operation and ultra-low-power IoT applications. It is based on the Nordic nRF52840 microcontroller and the SX1262 LoRa module, providing long-range mesh communication and Bluetooth connectivity. The integrated L76K GPS module enables precise location tracking, and the detachable 2.13" ePaper display allows for constant information presentation with minimal power consumption. Seeed Studio 114993654

32GB USB flash drive with USB 3.0 interface, designed for fast data read and write operations. UME3-0320CRR11

Enclosure kit with mechanical buttons designed for the Adafruit MagTag module, enabling installation of the device in a closed housing for wall-mounted and desktop applications. Adafruit 6433

Three‑pin plug‑plug cable compatible with JST SH 1 mm, 50 mm length, for digital and analog connections in SH header modules. Adafruit 6405

Single-channel reflectance sensor from the QTR-MD series, 8 mm wide, featuring an RC output and a side-entry connector. Designed for line detection, surface contrast measurement, and edge detection in mobile robotics and automation systems. Pololu 4140

Module with a round 1.28" IPS LCD display and a resolution of 240x240 px. Communication is via the SPI interface. SB Components 21697

Alphanumeric LCD 16x2 character display module with backlight and RGB text. Equipped with I2C converter and 6 buttons. DFRobot DFR0936