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-22628

A small USB 2.0 hub that allows you to disable individual devices connected to its USB ports, as well as a visual evaluation of the number of devices enabled. It has a built-in connector for the external power supply, so it can act as an active hub. Cable with a length of 40cm, 4 USB ports

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-24113

Expander (shield) compatible with Arduino and NUCLEO (STM32) systems, equipped with a Bluetooth 4.1 (BLE) radio module from the SPBTLE-RF family

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 90 m, while in open space it reaches up to 3200 m. SparkFun WRL-22631

The module is equipped with a LCD TFT display with a diagonal of 0.96" and a resolution of 160x80 px, controlled by the PIXXI-28 graphic controller. SparkFun LCD-19251

The module with 2 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 8 A or a voltage of 28 V DC and a current of 8 A. M5Stack U131

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 3191

1 MPx camera module with OV9281 sensor that works with all versions of the Raspberry Pi. Equipped with a shutter and an IR filter, it is characterized by good sensitivity. Waveshare OV9281-120 Camera

This small breakout board couples an Electret microphone (100Hz–10kHz) with a 60x mic preamplifier to amplify the sounds of voice, claps, door knocks or any sounds loud enough to be picked up by a microcontroller’s analog-to-digital converter. Each breakout comes fully assembled and works from 2.7V up to 5.5V. BOB-12758

DC-DC Step-Down converter module. It has an input voltage from 6 to 45 V, an output voltage of 6 V and a maximum output current of up to 3.3 A. Pololu 4893

Module with a 4-color e-Paper display with a diagonal of 2.66" and a resolution of 360x184 px. It uses communication via the SPI interface via the popular JST GH1.25 connector. Waveshare 2.66inch e-Paper Module (G)

Camera module with a two-degree-of-freedom (2 DoF) platform. It uses the OV5647 sensor with a resolution of 5 MP and provides a 360° camera rotation angle thanks to the built-in servo. It is dedicated to the Raspberry Pi 4B and Raspberry Pi 5 minicomputers. 2-Axis Pan-Tilt Camera Module (EU)

LED strip with addressable RGB WS2813 diodes on a white PCB. It is powered by 5 V DC, has a length of 1 m and 144 LEDs/m. Protection level IP30

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

Light-sensing Infrared LED Board

Module with INA228 sensor designed for power monitoring. It allows you to measure voltages up to 85 VDC and currents up to 10 A. It uses a 20-bit ADC converter, which guarantees very precise and accurate measurements available via the I2C bus. Adafruit 58332

LED strip with addressable RGB WS2813 diodes on a white PCB. It is powered by 5 V DC, has a length of 1 m and 60 LEDs/m. Protection level IP30

LED strip with addressable RGB WS2813 diodes on a white PCB. It is powered by 5 V DC, has a length of 5 m and 30 LEDs/m. Protection level IP30