Arduino do have the Arduino Nano 33 IoT board which is a good one to start with exploring the Internet of Things. It is compatible with the Arduino Cloud so that you can connect with it for free. From there you can control components on your board and also send data to a dashboard so you can monitor any sensors on the board. Read more here

Arduino Nano 33 IoT

Arduino Nano 33 IoT Tutorial

The Internet of Things (IoT) is where devices are connected together usually over the internet but also bluetooth. In this example we will be using a small micro-controller called the Arduino Nano 33 IoT, which as the name suggests is designed as an IoT device. You will be able to receive data and control LEDs etc through the free cloud website that Arduino provide.