Novel Bits

What's the easiest way to learn Bluetooth LE development without messing with embedded systems? ?? You use a cross-platform BLE framework that works on Windows, Linux, macOS, or even iOS and Android! Wait, does something like this even exist? ?? Yep! I'm sure there are other frameworks out there, but here's what I'm using for my upcoming course: SimpleBLE. The framework provides the following libraries/bindings: ? ??????????????????: C++ cross-platform BLE library. ? ??????????????????????: Python bindings for SimpleBLE. ? ??????????????????????: Rust bindings for SimpleBLE (LEGACY - Big refactor coming soon). ? ??????????????????????: C++ abstraction layer for BlueZ over DBus. (Linux only) ? ????????????????????: C++ wrapper for libdbus-1 with convenience classes to handle DBus object hierarchies effectively. (Linux only) For simplicity, the course will use the Python bindings, which require a minimal amount of setup and get you up and running in no time! If you haven't heard of it before, then I recommend you check it out on their website (https://lnkd.in/gnsdYxuQ) and GitHub repo (https://lnkd.in/gXiZJHfC). Keep an eye out for an official announcement about my upcoming course in the next few weeks, with a chance to pre-order it at a discounted price. ?? #BLE #Course #SimpleBLE #IoT #BluetoothLowEnergy #BluetoothLE CC: Bluetooth SIG

???? ?????????? ????. ?????????????? ?????????????????? ?????????? ????????????????! ?? ?? ?? There are just too many differences to list (especially from a detailed technical view)! ...but here's an infographic summarizing the most important ones. LE Audio is the future, but in the meantime, dual mode solutions (Classic + LE Audio) will exist for some time until everything finally transitions to LE Audio. #LEAudio #Auracast #BluetoothLowEnergy #Bluetooth #wireless #audio CC: Bluetooth SIG

?????????????????? ???? ?????????? ?????? ???????????????? ?????? ???? ?????????????????????? ?? Today, I wanted to share with you a brand new platform that I came across that makes developing Bluetooth audio solutions so much easier! ???? You can get a working demo and prototype in minutes instead of days and weeks. ?? Don't believe me? ?? Check out the video demo below ?? The highlights of this platform, the IOT747 IDC777-KIT: ? Easy to set up and prototype ? Supports LE Audio, Auracast (Broadcast Audio), and Classic Audio ? Imagine speakers, transmitters, dual mode receiver + transmitter ? ... use your imagination ?? Interested in LE Audio and Auracast? If you're looking to build an Auracast product for the Enterprise or Commercial market, reach out to me (no consumer-related products plz!!). Auracast is amazing and will change how we interact with public spaces and venues... It's still very early, but it's only a matter of time. ? Let's build it together! ?? #Auracast #LEAudio #BluetoothLowEnergy #Bluetooth #Audio #BluetoothClassic #BLE #publicspaces CC: Bluetooth SIG

?? ?????? ???????????????? ???? ?????????????????? ?????? ???????????? (??????) ?? 1. ??????????????????????: involves broadcasting data by a BLE device to inform other devices of its presence. BLE devices use advertising packets to communicate important information such as device state, available services, and manufacturer data. This process occurs without a formal connection, making it a crucial element for devices that require minimal interaction, communication with many devices, or wish to maintain low power consumption. ??? 2. ??????????????????????: refer to the formal "pairing" (for lack of a better word!) of two devices to exchange data reliably. Once a BLE connection is established, devices can communicate in a defined and predictable manner (time-wise and on which RF frequency). This connection is crucial for scenarios where sustained data transfer is needed, such as fitness trackers syncing with smartphones. The connection parameters, like interval and latency, play a significant role in a BLE device's power consumption and responsiveness. ??? 3. ?????????????? ????. ????????????????????: define roles in BLE communication, with the central initiating connections and peripherals advertising and accepting them. Usually, smartphones act as central devices, while wearables or sensors function as peripherals. Understanding these roles is key to developing efficient BLE applications. ??? 4. ???????????? ??????????????????: designed for low power and efficient data exchange. Each packet includes headers, payload, and CRC fields, with the payload carrying actual user data. This structure allows quick data transfers, which is essential for applications with constrained energy resources. By optimizing the packet design, BLE maintains low energy consumption while still providing a reliable communication channel between devices. ??? 5. ?????????????? ?????????????????? ?????????????? (????????): facilitates data exchange in BLE by defining how BLE devices communicate attributes and services. It comprises a hierarchical data structure where devices can access available services and characteristics. This profile enables developers to establish a specific way for interacting and retrieving data, and it is widely used in scenarios like reading sensor information or controlling smart home devices. ??? 6. ????????????????: focuses on safeguarding data transferred between devices from unauthorized access or manipulation. BLE implements several security mechanisms, including pairing methods like Just Works, Passkey Entry, Out-of-Band, and Secure Connections, offering various levels of protection. Ensuring security is paramount in BLE environments, particularly for sensitive data transmissions, like medical information, where confidentiality and integrity are critical. #BLE #Bluetooth #BluetoothLowEnergy #Wireless #IoT #LowPower #Education CC: Bluetooth SIG

?????????????????????????? ?????????? ???? ?????????????????? ?????? ???????????? Bluetooth Low Energy (BLE) technology offers two primary communication modes: ????????????????????-???????????????? and ???????????????????????????? (??????????????????????) Each comes with unique advantages and trade-offs, making it crucial for system architects and engineers to select the right fit for their applications. ?? ????????????????????-????????????????: Perfect for reliable, secure, and continuous data transfer. Think medical devices, BLE audio, or industrial IoT sensors where real-time updates and data security are non-negotiable. ?? ???????????????????????????? (??????????????????????): Ideal for broadcasting efficiently to multiple devices with ultra-low power consumption. Use cases include asset tracking, beacons, and location-based services, where simplicity and scalability are key. ?? ?? ?????? ????????????-?????????? ???????? ???? ???????? ???? ???????? ?? ? Your device can also do both "at the same time". You can have a device that continues to advertise and broadcast data to scanning devices even after a central device is connected to it. ? Periodic Advertising with Responses allows a device to broadcast to an unlimited number of devices but also receive responses from a large number of these devices independently (think thousands or even 10,000+!) ? The Bluetooth specification does not limit the number of active connections a device can have. This is really only limited by local resources and the available air time. ? Your device can also act in the advertiser/peripheral role and in the central role at the same time. Imagine a gateway device that controls 10 door locks (central role) while allowing someone with a tablet to interact with it (peripheral role) over BLE to issue commands to all these locks. #BluetoothLowEnergy #IoT #WirelessTechnology #EmbeddedSystems #BLE #SmartDevices #IndustrialIoT #WearableTech #RFDesign CC: Bluetooth SIG

???? ???????????????????????? ???? ?????????????????? ?????? ???????????? ???????????????? ?????????????????????? ?? Bluetooth 5.0 brought a game-changing update for broadcasting in Bluetooth Low Energy: ???????????????? ??????????????????????. If you’re in the world of IoT, beacons, or wearables, understanding this feature can unlock new opportunities for efficient and high-capacity data transmission. ?????? ?????????????????? ????????????????????: ? ???????????????? ??????????????: Say goodbye to the 31-byte payload limitation of legacy BLE advertisements. With Extended Advertising, you can now transmit up to 255 bytes per advertisement segment. But it doesn’t stop there: using advertisement chaining, multiple segments can be linked to achieve a total payload of up to 1,650 bytes. Perfect for rich, detailed broadcasts. ? ?????????????????? ?????????????????????? ????????????????: Extended Advertising reduces congestion on primary channels (37, 38, and 39) by utilizing secondary data channels for the bulk of the data being transmitted (especially the advertising data part). This approach not only optimizes channel use but also minimizes the risk of interference, a critical factor in dense RF environments. ? ?????????????????????????? ????????????????: Devices can now chain multiple advertisement packets, distributing data efficiently across a series of transmissions. This is crucial for applications that require broadcasting comprehensive data sets, like high-resolution sensor readings or complex metadata. ? ???????????????? ??????????????????????: By spreading out broadcasts over more channels, Extended Advertising significantly reduces packet collisions, ensuring more reliable communication even in environments saturated with BLE devices. ???????????????????????? & ????????????????????????: ? ?????????? ????????????????: Seamlessly deliver more descriptive metadata in high-density tracking environments. ? ???????????? ?????? ???????????????? ????????????????: Broadcast richer content, including URLs, promotions, or interactive multimedia links, enhancing user engagement. ? ???????????? ????????: Enable detailed sensor readings and analytics data for industrial and smart home applications. Extended Advertising isn’t just a minor upgrade—it’s a strategic enhancement to BLE that drives better performance and more versatile use cases. ?? It also serves as the foundation for other major features of BLE, such as Periodic Advertising, Periodic Advertising with Responses (PAwR), and even LE Audio. Stay tuned, as we'll be diving deeper into Extended Advertising, its packet format, how it gets used in practice, as well as covering the features it serves as a foundation for in upcoming posts! #BluetoothLE #IoT #BLE #ExtendedAdvertising #Bluetooth5 #WirelessTech #SmartDevices CC: Bluetooth SIG

?????????????????? ???? ???? ?????????????????????????? ????????????????, ???????? ?????????????? ?????????????? ???? ?????????????? ?????????????????? ?????????????? ???????????????????? ?? #BLE #NetworkTopologies #IoT #Wireless #BluetoothLowEnergy CC: Bluetooth SIG

???? ?????? ??????, ????????, ?????? ?????? ?????? ???????? ?????? ?????????????? ???? ??????????????! ?? We hear a lot about IoT in agriculture, but have you heard of PAwR (Periodic Advertising with Responses)? It’s a game-changing feature of Bluetooth Low Energy that deserves way more attention. Here’s why: ?? ??????????-?????????????????? ??????????????????????????: PAwR lets BLE sensors send data at regular intervals while sipping minimal power, making them perfect for remote fields. ?? ?????????????? ??????????????????????: Need to connect hundreds or even thousands of sensors across your farm? PAwR handles that effortlessly without draining batteries or causing data congestion. ?? ???????? ????????-???????? ????????????????????: Despite being ultra-efficient, PAwR keeps data flowing smoothly, giving farmers timely insights to make smart decisions. ?? ????????-??????????: The ability to use Coded PHY with PAwR makes it even more compelling for long-range outdoor use cases. ?? ?????? ???? ?????? ?????? ???? ???? ?????????? ????: 1?? ?????? ??????????????: PAwR powers our soil moisture and climate sensors, ensuring they run for years without needing new batteries. 2?? ?????????????? ??????????????: Manages sensor data efficiently and sends it to AWS IoT Core for analysis. 3?? ?????? ?????? ????????: Turns that data into actionable insights, like when to irrigate or adjust farming practices. ?? ?????? ???????? ??????????????: ? Conserve Resources: Less water wasted, more efficient crop management. ? Lower Costs: Fewer battery replacements and less maintenance. ? Bigger Yields: Healthier crops with data-driven precision. ?? Curious about how PAwR transforms agriculture? Check out the infographic for more details! ?? PAwR might be underrated now, but it’s the future of efficient IoT! Have you used it or thought about it for your projects? Let me know in the comments ?? CC: Bluetooth SIG #IoT #SmartFarming #BLE #PAwR #AWSIoT #AgTech #Innovation

?? ?????????? ?????????????????? ?????? ???????????? ???? ?? ???????????? ?????????????? [???????? ????????] ?? This serves as ?????? ?????????? I wish I had when I first got started with Bluetooth Low Energy. It covers all the basics you need to know in under 100 pages! ??.??/?? ?????????? ???? ????????????. Available here for... FREE! Download it and start learning today. CC: Bluetooth SIG ----- ?????????????? ?????? ?? ???????? ????-????-???????? ??????????????? ?????????? ?????? ???? 2???? ??????????????, ?????????????????? ???????? ???? ??????????????: https://lnkd.in/g94Mgrwh

?? ???????? ?????????????????? ???????????????? ?????? ????????? ?? ?? In this latest paper, researchers dive deep into the security landscape of Bluetooth Low Energy (BLE) tracking systems, focusing on Apple AirTags and Samsung SmartTags. While these devices are incredibly useful for finding lost items, they come with significant security risks that we need to know about. Here are some of the most compelling points from the paper: ?? ???????????????? ??????????: From physical tampering and firmware exploitation to signal spoofing and eavesdropping, BLE trackers are vulnerable to various attacks. Are we really safe? ?? ?????????????????????????? ????????????????????: ? ?????????? ??????????????: Use public-key cryptography (EC P-224) for encryption, ensuring data privacy but facing device authentication challenges. ? ?????????????? ??????????????????: Employ symmetric key cryptography (AES/CBC/PKCS7), focusing on beacon authenticity but raising cloud security concerns. ?? ?????????????????????? ??????????????????????: ? ?????????? ??????????????: Daily-changing public keys and frequent crypto counter updates for anonymity. ? ?????????????? ??????????????????: Privacy IDs and digital signatures for unique identification and payload integrity. ?? ???????????? ????????????????????: Both devices prioritize battery life over security, lacking secure boot processes and making them susceptible to various attacks. ?? ???????????? ????????????: Expect advanced encryption, improved battery tech, better interoperability, secure boot processes, compliance with privacy regulations, zero-trust security models, AI integration, and increased user awareness. ??? ???????????? ?????????????? ????????????????: Detailed examination reveals potential attack vectors on BLE trackers, helper devices, owner devices, and cloud infrastructure. Are manufacturers doing enough to protect us? ?? ????????????????????: While BLE trackers offer substantial utility, their security must evolve to counteract various attack vectors. Future iterations are expected to enhance security features as these devices become more integrated into the IoT ecosystem and face evolving privacy regulations. Do you personally use BLE trackers? Are you concerned about their security, lack of privacy? ?? #CyberSecurity #BLE #IoT #AppleAirTags #SamsungSmartTags #Privacy #TechInnovation #SecurityRisks CC: Bluetooth SIG