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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 100% Authentic Ai Thinker Module: Sourced directly from authorized distributors no clones or counterfeits How many analog sensors can I connect to the FireBeetle ESP32 E Its integrated 4 MB SPI flash memory provides ample storage for firmware and application data
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