Open source Smart Health Band | 开源智能健康手环 A comprehensive IoT health monitoring solution featuring real-time vital signs tracking, wireless data transmission, and mobile app integration. Built with STM32 microcontroller and multiple sensors.

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瓦肯举手礼（Vulcan Salute），又称“火神答复敬礼”，最初出现在美国著名科幻作品《星际迷航》（Star Trek）中，是瓦肯人用于问候的标志性手势