RF module providing wireless communication compliant with the IEEE 802.15.4 standard. They operate in the 2.4 GHz ISM band and enable local configuration via BLE with the Digi XBee mobile application. They are equipped with the Silicon Labs EFR32MG SoC transmitter and receiver chipset. The range in buildings is up to 60 m, while in open space it reaches up to 1200 m. SparkFun WRL-22630

A base board that allows you to integrate modern Digi XBee 3 and Digi XBee RR Pro modules with the Arduino format, enabling you to build wireless projects. It uses a USB Type-C connector and a Qwiic connector to connect I2C sensors. SparkFun WRL-22131

Set of unshielded RJ-45 cat.6 network plugs. They are equipped with triple teeth, which allows them to be used with both wire and stranded cables. Additionally, each plug in the set has a guide to facilitate proper cable laying before connecting. Lanberg PLU-6000

Black and white e-Paper display with a diagonal of 7.8" and a resolution of 1872x1404 px. Parallel interface. Without PCB. Waveshare 7.8inch e-paper

Zestaw nieekranowanych wtyków sieciowych RJ-45 kat.6. Wyposażone są w potrójne zęby, co umożliwia ich zastosowanie zarówno w przypadku kabli drucianych, jak i linkowych. Lanberg PLU-6000EZ

BMS protection module designed for 10 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

Matrix module of six reflection sensors for the Zumo robot. The module allows you to easily add line detection or edge detection to the robot. Pololu 1419

A compact development board that uses the ESP32-PICO-MINI chip. It provides wireless communication via Bluetooth and serves as an easy-to-configure UART converter. It has a built-in PCB antenna. SparkFun WRL-23287

3-color e-Paper display with a diagonal of 4.2" and a resolution of 400x300 px. SPI interface. No PCB. Waveshare 4.2inch e-Paper (B)

Allwinner A20; CPU: ARM Cortex A7 DualCore; GPU: Mali 400

Module with a smoke concentration sensor made in MEMS technology. It allows gas detection in the range of 10 to 1000 ppm and has an analog output. DFRobot SEN0570

Keystone CAT 6A RJ45 is a shielded module for mounting in patch panels and wall sockets, providing a stable network connection in the 6A standard. Thanks to FTP shielding, it protects against interference, supporting transmission speeds up to 10 Gb / s, ideal for server rooms and office installations.

A module with a high precision temperature sensor based on the MCP9808 chip. It allows for measurements with an accuracy of ±0.25°C and communicates via the I2C interface. DFRobot SEN0435

Black and white e-Paper display with a diagonal of 2.13" and a resolution of 250x122 px. SPI interface. Without PCB. Waveshare 2.13inch e-Paper 

Module with e-Paper display, 2.13" diagonal and 212x104 px resolution. Communication via SPI interface. Waveshare 2.13inch e-Paper HAT (B)

A module with a barcode and QR scanner designed to work with the Raspberry Pi Pico. It allows you to read one-dimensional and two-dimensional codes using the intelligent image recognition algorithm. SB Components 22441

LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator

An adapter that allows you to connect modules in the XBee format to a computer via the USB Type-C interface. The adapter is based on the FT231XS system. SparkFun WRL-22043