FreeRTOS – Event Groups Explained

FreeRTOS - Event Groups Explained

This article introduces <span>FreeRTOS</span> another synchronization mechanism for multitasking – Event Groups (<span>Event Group</span>). Unlike semaphores, event groups can achieve one-to-many and many-to-many synchronization. API Introduction API Function xEventGroupCreate( void ) Dynamically creates an event group and returns the handle of the newly created event group. configSUPPORT_DYNAMIC_ALLOCATION must be set to 1 in FreeRTOSConfig.h, or … Read more

Learning FreeRTOS: Counting Semaphores

Learning FreeRTOS: Counting Semaphores

Scan to followLearn Embedded Together, learn and grow together This is a series of introductory articles on FreeRTOS. While organizing my knowledge, I hope to help beginners quickly get started and master the basic principles and usage of FreeRTOS. Quick Start with FreeRTOS – Initial Exploration of the System The official Chinese version of the … Read more

City University of Hong Kong Develops BLE and UWB-Assisted AR Synchronization Technology

City University of Hong Kong Develops BLE and UWB-Assisted AR Synchronization Technology

AR synchronization solutions achieved through beacon technology (i.e., Bluetooth Low Energy (BLE) and Ultra-Wideband (UWB)) (Nweon, July 21, 2025) Cross-session/device synchronization in augmented reality (AR) presents challenges. In a study, the team from City University of Hong Kong proposed a solution utilizing beacon technology (i.e., BLE and UWB) to address scalability issues and inconsistencies in … Read more