Let's say I have the following 8 bytes in the Serial input buffer: 0x7A 0x7B 0x7C 0x7D 0x7E 0x7F 0x80 0x81 Let's examine the results of different read operations, each operated on the same buffer contents as shown above. int bytesRead = Serial.readBytesUntil(0x7E, readBytes, 8); // bytesRead == …

Serial.readBytesUntil() does not work with Termination values > 127 - #7 by system - Programming

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