Bluetooth ATT and GATT Explained (Connection-Oriented Communication)
A deep dive into Bluetooth LE ATT and GATT: attributes, services, characteristics, and profiles for connection-oriented data transfer.
Latest
The Bluetooth Low Energy Protocol Stack: Understanding the Layers
Understand the Bluetooth LE protocol stack layers including GAP roles, Link Layer states, and the Physical Layer.
What is a Protocol Stack? And Why is it Layered?
Protocol stacks are important for a variety of reasons. But what are they, exactly?
Communications Protocols And Why We Need Them
A communications protocol is a "set of rules that must be obeyed by all users in a device network." This is a very grand definition, but it is also very dr
Chipset vs Module Bluetooth LE Solutions: The Ultimate Guide
Chipset vs module for Bluetooth LE: trade-offs between SoC and SiP module designs including cost, RF complexity, certifications, and time to market.
Bluetooth 5 Speed: How to Achieve Maximum Throughput for Your Bluetooth LE Application
How fast is Bluetooth 5? Real throughput depends on PHY, DLE, ATT MTU, and connection intervals. Full guide with nRF52 measurements.
17 Most Popular Bluetooth Low Energy Chipsets Compared
Choosing a Bluetooth LE chipset? Compare 17 popular SoCs from Nordic, TI, Silicon Labs, NXP, and more, with specs, features, and pricing.
Security
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How a Group of Researchers Hacked Tesla's Passive Keyless Entry System
NCC Group demonstrated a Bluetooth LE relay attack that bypasses encryption and latency checks to unlock a Tesla Model 3 without the owner's phone nearby.
Security
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How to Protect the Privacy of Your Bluetooth Low Energy Device
There are several ways to secure Bluetooth LE device communications. One way is to randomize the MAC address of the device.
Native vs. Cross-Platform Bluetooth LE Mobile Apps
A practical guide to choosing between native (Swift, Kotlin) and cross-platform (Flutter, React Native) development for Bluetooth LE mobile apps, covering DFU, security, and regulatory considerations.
The World's First Programming-Free Bluetooth Beacon Platform
The InPlay NanoBeacon IN100: the world's first programming-free Bluetooth beacon SoC. Build iBeacon, Eddystone, or custom beacons, no code.
LE Audio
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Introducing the Nordic nRF5340 LE Audio Development Kit
Explore the Nordic nRF5340 LE Audio development kit: features, applications, broadcast and connected isochronous streams, and the LC3 codec.