Bluetooth Low Energy (BLE)
Protocol-level guidance on Bluetooth Low Energy for connected devices, including architecture, implementation, optimization, and troubleshooting.

BLE Connectivity Architecture: The Ultimate Guide
November 27, 2023 • Alec Letourneau

How Much BLE Security Does Your Device Actually Need?
Not every BLE device needs maximum security. A fitness tracker, smart lock, and medical device face very different risks. This article walks through a practical framework to help you determine the right level of BLE security for your product based…

Understanding BLE Security Boundaries: What It Protects and What It Doesn’t
BLE encryption and authenticated pairing secure over-the-air communication, but they don’t protect data once it reaches your app or cloud. Learn where BLE security stops and when you need TLS, end-to-end encryption, and user authentication.

Understanding BLE Connections: How to Choose Advertising, Scanning, and Connection Parameters
Choosing the right BLE connection parameters directly impacts discovery speed, reliability, and battery life. This article explains how advertising, scanning, and connection intervals work together and how to tune them for real-world performance.

Always-Connected vs. Dynamic BLE: Which Strategy Fits Your Product?
Should your BLE device stay connected at all times or only link up when needed? We break down the pros, cons, and use cases for always-connected and dynamic BLE to help you make a confident architectural decision early in development.

Scanning for Peripherals on iOS Core Bluetooth
iOS BLE scanning doesn’t always work the way you expect. This article breaks down how Core Bluetooth actually discovers devices, why peripherals sometimes don’t show up, and how to build reliable scanning flows that work in the real world.

Why Your iOS BLE Scan Returns No Results (And How to Fix It)
Your iOS BLE scan returns no results and you can’t figure out why. This article walks through the most common causes of empty Core Bluetooth scans, from permission issues and state handling to iOS-specific scanning behaviors, and shows you how…
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