Learn Bluetooth Low Energy, step by step.
From Bluetooth Basics to Real-World BLE Development
Learn Bluetooth Low Energy step by step, from fundamental concepts to practical development. Explore clear explanations, interactive diagrams, hands-on exercises, code examples, and real-world BLE projects.
RSSI −58 dBmFrom Understanding BLE to Building With It
Build a clear mental model, see the radio behavior, then turn it into working projects.
Learn the fundamentals
Understand BLE concepts, terminology, architecture, and communication principles.
Explore how BLE works
Learn advertising, scanning, connections, GATT services, and data exchange.
Try it yourself
Follow guided exercises and observe real BLE behavior with a BleuIO dongle and Web App.
Build real projects
Create BLE applications with code, sensors, development boards, and practical examples.
Your Bluetooth Low Energy Learning Path
Follow a structured journey from beginner-friendly explanations to advanced BLE development. Choose a module to start learning or explore lessons individually.
48 planned lessons
Introduction to Bluetooth Low Energy
Start from zero and understand what Bluetooth Low Energy is, how it works, and why it powers modern wireless devices.
Explore moduleBLE Architecture and Communication
Explore the core structure of BLE communication, including protocols, services, characteristics, and how data is represented.
Explore moduleAdvertising, Scanning and Discovery
Learn how BLE devices announce their presence, how scanning works, and how nearby devices are discovered.
Explore moduleGATT, Connections and Data Exchange
Understand device connections and discover how Bluetooth Low Energy devices exchange information.
Explore moduleProgramming BLE Applications
Move from theory to working code and develop practical BLE applications using familiar programming languages.
Explore moduleBuilding Real-World BLE Projects
Apply your knowledge to sensors, gateways, dashboards, embedded devices, and practical connected applications.
Explore moduleAdvanced BLE Engineering
Understand the advanced technical decisions that affect BLE security, performance, reliability, and power consumption.
Explore moduleBLE Troubleshooting and Capstone Projects
Develop troubleshooting skills and bring your knowledge together through complete Bluetooth Low Energy projects.
Explore moduleLooking for something specific?
Search the curriculum. Published lessons open directly; upcoming topics are clearly marked.
See BLE in the real world.
For supported exercises, use your BleuIO USB dongle with the existing browser-based Web App. Scan nearby devices, observe output, and return to the lesson with new questions.
Requires a supported desktop browser with Web Serial, such as current Chrome or Edge, and a compatible computer and dongle.