Zigbee has launched a dual-mode chip compatible with the Bluetooth protocol format, aiming to expand or advance its ecosystem. On the surface, this seems like a good strategy, but in reality, we have already attempted a similar approach in the early days of using proprietary 2.4G protocols. At that time, the 2.4G proprietary protocol was … Read more
High-Quality Noise-Cancelling Bluetooth Headphones for Live Singing with Magnetic Absorption and Card Slot
IoT Think Tank Original Ten years ago, when the 3.5mm headphone jack was first removed from smartphones, the entire industry was still debating whether this was innovation or regression. Looking back now, this “interface revolution” has completely rewritten the way we connect with music. TWS (True Wireless Stereo) headphones have transformed from niche gadgets to … Read more
This article provides an in-depth introduction to the architecture of the Low Energy Bluetooth (BLE) protocol stack and explores how to leverage existing BLE applications to fully realize the potential of low-power wireless communication. This knowledge is essential for efficiently and reliably conducting design, troubleshooting, and optimizing applications.IntroductionLow Energy Bluetooth (BLE) is a key technology … Read more
BLE Advertising Packet Data Format Description …… Jinchen's dedication Introduction The packet format is a fundamental theoretical basis for learning Bluetooth. This article will discuss the Bluetooth advertising packet format and how to set the advertising packet in the Qinheng Micro Bluetooth chip code. I am Jinchen, known by the same name across the internet, … Read more
1. Overall System Design Scheme This intelligent massager control system is centered around the STM32F103C8T6 microcontroller, integrating motor drive modules, pressure sensor modules, temperature sensor modules, Bluetooth communication modules, power management modules, and human-computer interaction modules. It achieves various functions such as mode switching, intensity adjustment, timing control, and user status monitoring. The overall system … Read more
Introduction: The Importance of the Bluetooth HFP Protocol Among the many protocols in Bluetooth technology, HFP (Hands-Free Profile) is undoubtedly one of the key protocols closest to our daily lives. Whether answering calls while driving, using a Bluetooth headset for voice calls, or operating a mobile phone hands-free through an in-car system, the support of … Read more
The Zigbee Direct module (or chip) launched by Zigbee is compatible with Bluetooth protocols in the 2.4 GHz frequency band. Although it uses a proprietary protocol, its chip can simulate the transmission format or protocol stack of Bluetooth, enabling seamless interoperability with Bluetooth devices. This design avoids technological marginalization and eliminates the need for additional … Read more
1.“Air Key Theft”: Real Scenarios of Replay Attacks on Smart Locks A user installed aBLE (Bluetooth) smart lock at home, which supports unlocking via a mobile Bluetooth key. However, due to a replay attack vulnerability, it faced an intrusion without physical contact: Signal Sniffing: The attacker carries a low-cost Bluetooth sniffing device (such as theNordic … Read more
1. Subway Grandpa’s Disconnection 🤨2. Signal Transmitter for Slacking Off 🐟3. Don’t Connect, I’m Socially Anxious ༼ ༎ຶ ෴ ༎ຶ༽4. Loading Happiness 99% 💥5. Eye-Catching Bluetooth in the Industry 👑6. Blackened, Please Do Not Disturb ᕙ(`▿´)ᕗ7. Exclusive Band for Foodies 🍚8. Signal on the Run 📶→💨9. Laid-Back Bluetooth User 😴10. Crazy Thursday Bluetooth 📢11. Mysterious … Read more
