Automatic Unlock

Deadly Traps in C++ Concurrency: The Correct Order of notify() and unlock(), Did You Get It Right?

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Deadly Traps in C++ Concurrency: The Correct Order of notify() and unlock(), Did You Get It Right?

Concurrent programming in C++ is a frequent topic, especially in multi-threaded environments. How to correctly use <span>std::condition_variable</span> for thread synchronization is always a key focus for developers. Today, we will discuss a very easily overlooked yet extremely deadly pitfall—the order of <span>notify()</span> and <span>unlock()</span>. đź“š The C++ Knowledge Base is now live on ima! The … Read more

Implementing BLE HID Attributes for Quick Pairing and Automatic Unlocking of Bluetooth Locks

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Implementing BLE HID Attributes for Quick Pairing and Automatic Unlocking of Bluetooth Locks

To achieve quick pairing and connection of the Bluetooth lock using BLE HID attributes when the phone is within a certain range, it is necessary to combine the following key technical modules to create a “proximity automatic unlocking experience“. Objective Description •The lock is a BLE HID device (simulating input unlock commands) •When the phone … Read more