In this module, we will explore the fundamental aspects of the Raspberry Pi, from understanding its components to setting it up for use. You will learn how to install the Raspberry Pi OS, both with and without an external monitor, and discover how to control your device remotely using VNC and SSH. By the end of this section, you'll be ready to start using your Raspberry Pi for IoT and general computing projects.

In this module, we will teach you how to use Node-RED to interface your Raspberry Pi with external hardware like LEDs and relays. You’ll learn to set up the hardware, create the necessary Node-RED flows, and control the devices, including using protection circuits for safe operation. By the end of this section, you'll have hands-on experience in automating hardware with your Raspberry Pi and Node-RED.

In this module, we will guide you through the process of blinking an LED on your Raspberry Pi using Node-RED. You will learn to create a flow that toggles an output pin at regular intervals and how to use a physical switch to control the blinking. By the end of this section, you will have the skills to set up and control basic output functions with Node-RED and Raspberry Pi.

In this module, we will explore how to interface with various sensors using your Raspberry Pi and Node-RED. You’ll learn to connect the SenseHAT and DHT11/DHT22 sensors, and process the sensor data with Node-RED. Additionally, you’ll experiment with displaying sensor data and using conditional statements to control outputs based on sensor readings. By the end of this section, you will have practical experience with handling sensor data and visualizing it through different outputs.

In this module, we will cover the foundational concepts of the Internet of Things (IoT) and introduce you to ThingSpeak, a cloud platform for managing IoT data. You’ll explore different IoT devices and communication methods, then learn how to send sensor data to ThingSpeak using Node-RED. By the end of this section, you will have hands-on experience in setting up an IoT project and leveraging cloud services for data analysis.

In this module, we will dive into the MQTT protocol, a lightweight messaging system for IoT applications, and explore how to use Node-RED to interact with an MQTT broker. You will learn how to send and receive data, configure MQTT communication, and transmit sensor readings efficiently. By the end of this section, you'll be able to implement MQTT in your IoT projects for seamless data exchange.

In this module, we will guide you through building a simple home automation system using Node-RED and Adafruit IO. You’ll learn how to set up a DHT sensor for monitoring temperature and humidity, visualize the data on Adafruit IO, and control devices like LEDs. By the end of this section, you’ll have a fully functional IoT project that combines hardware, cloud-based visualization, and automation.

In this module, we will show you how to export and import Node-RED flows, making it easier to save, share, and reuse your work in future projects. You’ll also learn how to set up your Raspberry Pi to automatically start Node-RED flows on boot, ensuring that your projects run seamlessly without manual intervention. By the end of this section, you'll be able to efficiently manage and deploy your Node-RED projects.

In this final module, we will review the key concepts covered throughout the course, from setting up Node-RED and interfacing with sensors, to deploying IoT projects with cloud platforms. The focus will be on encouraging you to continue experimenting with what you've learned and applying it to your own projects. By the end of this section, you’ll be ready to take the next steps in your IoT journey.