276 [Complete course design] Heart rate detection Bluetooth upload design based on 51 single chip microcomputer-heart rate-Bluetooth - Code World

276 [Complete course design] Heart rate detection Bluetooth upload design based on 51 single chip microcomputer-heart rate-Bluetooth

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Origin blog.csdn.net/theroadon/article/details/109261673

276 [Complete course design] Heart rate detection Bluetooth upload design based on 51 single chip microcomputer-heart rate-Bluetooth

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