Arduino Portenta Breakout - module with connectors for Portenta H7

I/O pin expander designed for Arduino platforms. Provides 48 connections to increase the number of analog inputs, digital inputs and digital outputs. SparkFun DEV-11723

Expansion board for Arduino, allows easy connection of XBee modules, has separate outputs for I2C, SPI and UART buses. The built-in 3.3V voltage stabilizer and operating mode switch make it easier to program the Arduino when the XBee module is connected to the sockets. DFRobot DFR0265

LED matrix display module (in blue color) with an organization of 14 columns x 9 lines, compatible with Arduino.

Adafruit 1141 - Adafruit Assembled Data Logging shield for Arduino

Base Shield V2 is an extension for tiles with an Arduino shield connector, it has a Grove connector, which can be connected to Grove-compatible modules / sensors. Seeedstudio 103030000

A module with a microSD card slot for Arduino. Equipped with two Grove connectors with I2C and UART for connecting additional sensors. Seeed Studio 103030005

The module with 4 relays is designed to work with Arduino. It allows you to control devices with operating parameters up to 250VAC/7A or 30VDC/10A. Seeed Studio 103030009

Cytron SHIELD-ROBO-UNO is a complete Arduino shield integrating DC motor control, servo ports, Grove/QWIIC/Stemma QT connectors, and a built-in LiPo/Li-Ion battery charging circuit. It enables rapid prototyping of robots and IoT projects, eliminating the need for complex wiring and multiple separate modules.

This shield allows you to interface Wixel wireless modules to your Arduino (and other compatible products), enabling simple wireless programming, debugging, and control using standard Arduino software. Pololu 2513

Shield - Xbee w / o RF module

Module with LCD display dedicated to Arduino boards. Equipped with a joystick and Gravity connectors. DFRobot DFR0287

Gravity: Heart Rate Monitor Sensor is a sensor used to measure heart activity. Adapted for easy use with Arduino. SparkFun SEN0213

Gravity: IO Expansion & Motor Driver Shield is an Arduino compatible expansion board that provides digital I / O ports, analog I2C, SPI and UART interfaces, as well as a DC motor driver. DFRobot DFR0502

Adapter enabling easy and quick connection of Modulowo DuoNect to Arduino / Genuino expansion modules. MOD-75

WiFiBee-MT7681 is an XBee module based on the MT7681 Wi-Fi module. WiFiBee supports standard IEEE802.11b / g / ni protocols. Can be used as a remote programmer for Arduino tiles. It is powered by 3.3 V. DFRobot TEL0107

Arduino Shield - MEGA Proto KIT Rev3