BLE write HEX number

2022 4 9

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I want to write the following hexadecimal number to a BLE device:

"AECA19F00000000000000E287DEDF"

but MATLAB reported an error:

"The operation failed because of an unknown error"

Is write command only able to write up to 64 bits number?

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Jan 2022-4-10

Please post your code and a copy of the complete error message.

keming cao 2022-4-10

I find I can write now.

Just convert the hexadecimal number of each byte to decimal, then form an array, and write to the BLE slave

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