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Bluetooth ATT and GATT Explained (Connection-Oriented Communication)
In our previous post, we introduced some of the layers of the Bluetooth Low Energy protocol stack. Today, we will take a closer look at the ATT (Attribute) protocol and GATT (Generic Attribute...
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Bluetooth Low Energy (BLE): A Complete Guide
The Internet of Things (IoT) has been a buzzword for decades, but today this market is far from theoretical. There are over 10 billion active IoT devices globally, and one of the key technologies...
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What is a Beacon? A Guide to Bluetooth Beacon Technology
Bluetooth beacons are alive and well due to their low cost and widespread usage in commercial spaces like retail stores and logistics. The technology itself has been around for a while but gained...
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BLE Sniffer Basics + Comparison Guide
Introduction One of the most crucial tools that every Bluetooth developer should have on hand is a BLE sniffer. There are many cases where the two communicating BLE devices seem to be doing everything...
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Master BLE Sniffing: nRF52840 USB Dongle & Wireshark Guide
In a previous article, we covered the basics of Bluetooth sniffers (aka Bluetooth protocol analyzer), how they work, and even a comparison of the different BLE sniffers available on the market. If you...
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Bluetooth 5 speed: How to achieve maximum throughput for your BLE application
I’ve received a lot of questions over the years since Bluetooth 5 was released about how the “2x speed” actually works and what to expect in terms of realistic speeds (as opposed to theoretical...
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Mastering BLE: A Guide to Peripherals and Centrals
Introduction to BLE Bluetooth Low Energy (BLE) is a power-efficient variant of the classic Bluetooth technology, designed specifically for devices that need to consume less power and may need to run...
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The Ultimate Guide to What’s New in Bluetooth version 5.2
Introduction At CES 2020 (January 2020), the Bluetooth SIG introduced the latest version of Bluetooth, version 5.2. This announcement was made alongside the announcement of the next generation of...
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Unveiling the Truth: Debunking Bluetooth’s Biggest Myth
Bluetooth Low Energy was designed to considerably reduce power consumption and cost while maintaining communication ranges similar to Bluetooth Classic (50-100m max). However, that is no longer the...
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Periodic Advertising with Responses (PAwR): Bidirectional Bluetooth...
Sponsored by Silicon Labs If you’ve wondered whether advertising in Bluetooth Low Energy can be bidirectional, then this post is also for you. If you’ve recently come across the term PAwR and you’ve...
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