Build an MQTT IoT "Digital Twin" on Your Laptop (Mosquitto + Node-RED + Python)
Learn how to build a complete IoT system with MQTT broker, device simulator, and dashboard visualization - all running locally on your laptop
Tutorials
Learn by doing with our hands-on tutorials featuring interactive diagrams, drag-and-drop activities, and knowledge checks.
Model Evaluation and Cross-Validation in Scikit-Learn: A Practical Tutorial
Learn how to properly evaluate machine learning models using train/test splits, cross-validation, and multiple metrics in scikit-learn
Build an End-to-End ML Pipeline with Scikit-Learn (Step by Step)
Learn how to build a complete machine learning pipeline using Scikit-Learn. From raw data to a tuned model wrapped in a reusable Pipeline.
Build a Simple Tool-Using AI Agent with Memory (Step-by-Step Tutorial)
Learn to build an AI agent that can understand tasks, call tools like a to-do list, execute them, and remember state across turns
Deploying a Simple API on AWS Step by Step
Learn how to deploy a Node.js REST API to AWS Lambda and API Gateway. Start with code on your laptop and end with a real URL anyone can call.
Interactive Pathfinding: Dijkstra vs A* on a Grid
Learn how computers find the shortest path using Dijkstra's algorithm and A* search through interactive visualizations
Build a Tool-Using AI Agent: A Support Bot That Knows When to Ask for Help
Learn to build an AI support agent that answers questions, calls tools, and escalates to humans when uncertain
Beginners Guide to AIOT
Learn how Artificial Intelligence and Internet of Things work together to create smart, connected systems
Build an Event-Driven Serverless Notification on the Cloud (File Upload → Email)
Learn how to build a serverless notification system that automatically sends emails when files are uploaded to cloud storage
From Sensor to Dashboard: A Hands-On Intro to IoT Data Flow
Learn how one sensor reading moves from a physical device to a cloud dashboard, using simple visuals and interactive examples
Understanding RAG: Retrieval-Augmented Generation
Learn how RAG combines retrieval and generation for better AI responses through interactive examples
Interactive System Design: How a Ride-Hailing Service Handles Traffic Spikes
Use a tiny ride-hailing system to teach throughput, latency, queues, and backpressure with sliders, animations, and small what-if experiments