Adafruit ItsyBitsy 32u4 - 3V 8MHz - compatible with Arduino

Real time clock (RTC) module DS1307. It is powered by 5 V and communicates via the I2C interface (Gravity connector). There is also a CR1220 battery socket on the board. DFRobot DFR0151

Module with a button and green LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-G

Adapter designed for micro:bit educational modules. It facilitates access to all pins, which are led out on the connector with a raster of 2.54 mm, which allows the use of a breadboard. SB Components 14880

The X-NUCLEO-PLM01A1 expansion board for STM32 Nucleo is based on the ST7580 FSK, PSK multi-mode power line networking system-on-chip. It provides an affordable and easy-to-use solution for the development of connectivity applications based on power line communication

NUCLEO-WBA55CG is a low-power STM32 development board with Bluetooth LE, Thread, and Zigbee support, designed for IoT projects. ST morpho and ARDUINO Uno V3 connectors enable flexible expansion and rapid prototyping.

The Kamod BluePill+ evaluation board equipped with the STM32F103C8T6 microcontroller offers improvements over the original BluePill, such as a new PCB design, a USB-C connector with ESD protection, an improved power supply circuit, and the ability to program via Arduino IDE and STM32CubeIDE

Moduł z nadajnikiem-odbiornikiem dedykowany do komunikacji przez światłowód. Pozwala przesyłać dane na odległość do 10 km przy pomocy protokołu UART. DFRobot TEL0153

A digital shock sensor that detects hand shake. The spring-type vibration switch allows you to output pulses when the user shakes once in a certain direction. DFRobot SEN0289

Module with a 10 kΩ digital potentiometer based on the DS3502 chip. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4286

ESP32-S3-LCD-1.3-C is an advanced evaluation board featuring a 1.3-inch LCD screen, integrated IMU, and Wi-Fi and Bluetooth connectivity, designed for use in interactive systems and IoT devices. Thanks to its enclosure and prismatic cube, it offers an impressive graphical display. High performance, a rich set of peripherals, and compact size make the board ideal for prototyping user interfaces, wearable devices, electronic toys, and control systems.

Development board designed for IoT projects. It is equipped with a WiFi/Bluetooth module ESP32, LoRa 433 MHz, GPS and a basket for a Li-Ion 18650 battery. TTGO T-Beam V1.2

ESP32-S2-DevKitC-1U-N8R2 is an evaluation board featuring the ESP32-S2-SOLO-2U module, designed for developing wireless applications using 2.4 GHz Wi-Fi communication. The use of a U.FL connector allows for the integration of an external antenna, making it particularly useful in environments requiring extended range or signal isolation. With a wide range of available interfaces and large memory capacity, the board is ideally suited for IoT projects, building automation, remote control systems, and monitoring applications.

Module with 20 RGB LEDs WS2813 Mini. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 104020170

Data logger dedicated to Thing Plus tiles. It allows you to save data on a microSD card with the possibility of reading through the USB port. Supports cards up to 32 GB. SparkFun DEV-19217