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DFRobot FireBeetle ESP32 E IoT Microcontroller with Header (Supports Wi Fi & Bluetooth) Basic Component Kit for Projects ensure the watch sits snugly ensure the watch sits snugly on your wrist with the heart rate sensor maintaining consistent contact with skin perfect for FPV racing circuits and competitive drone events and integrated voltage regulation supporting 3 Dual Core Processing: 240 MHz dual core ESP32 processor enables parallel task execution for complex IoT algorithms and real time data processing without performance bottlenecks
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