What is a Protocol Stack? And Why is it Layered?
Protocol stacks are important for a variety of reasons. But what are they, exactly?
Latest
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
A practical guide to choosing between a Bluetooth LE SoC chipset and a SiP module for your product — covering cost, RF design, certifications, and break-even analysis.
Bluetooth 5 Speed: How to Achieve Maximum Throughput for Your Bluetooth LE Application
How fast is Bluetooth 5? Real throughput depends on PHY selection, DLE, ATT MTU, and connection intervals. This guide explains each factor with actual nRF52 measurements.
17 Most Popular Bluetooth Low Energy Chipsets Compared
Choosing a Bluetooth LE chipset? Compare 17 popular SoCs from Nordic, Texas Instruments, Silicon Labs, NXP, and more — with detailed specs, features, and pricing to help you decide.
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 lets you create Bluetooth beacons in minutes without writing a single line of code. See how this programming-free platform works.
LE Audio
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Introducing the Nordic nRF5340 LE Audio Development Kit
Learn about the Nordic nRF5340 LE Audio development kit, including broadcast and connected isochronous streams, the LC3 codec, and practical Bluetooth LE Audio applications.
Implementing Nordic nRF52 OTA DFU over Bluetooth LE - Part 4
Learn how to integrate Nordic Buttonless DFU into your own nRF52 application, generate signing keys, build a secure bootloader, create DFU packages, and perform over-the-air firmware updates via nRF Connect.
Maximum Data Size in a Bluetooth Advertising Packet
How much data can you actually send in a Bluetooth Low Energy advertising packet? In this post, we break down the advertising packet format, legacy vs. extended advertising PDUs, and the maximum payload sizes for each type.