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並前往https://techoverflow.net/2021/12/04/how-to-read-16-bit-i2c-register-using-arduino-wire-library-a-minimal-example/

How to read 16-bit I2C register using Arduino Wire library

Serial.printf("Register value: %04x\r\n", __builtin_bswap16(buf)); ... For an explanation on why we need __builtin_bswap16() , see How to ...

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