Serial.print as HEX should ALWAYS print 2 chars per byte; it omits leading zeroes [imported] · Issue #40 · arduino/ArduinoCore-API · GitHub
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Need help with sending/receiving and making use of hex data over serial. - Programming Questions - Arduino Forum
![hex - Serial communication with Arduino Uno in hexadecimal, and monitoring response with serial monitor - Stack Overflow hex - Serial communication with Arduino Uno in hexadecimal, and monitoring response with serial monitor - Stack Overflow](https://i.stack.imgur.com/C1Xhl.png)
hex - Serial communication with Arduino Uno in hexadecimal, and monitoring response with serial monitor - Stack Overflow
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What difference between Serial.print and saving data into variable? - Programming Questions - Arduino Forum
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