PRJ - Print Format

2024-05-29

// [How to print hex starts with 0x0x in 2 digits.](https://forum.arduino.cc/t/how-to-print-hex-starts-with-0x0x-in-2-digits/83357/5)

void setup() {
  // put your setup code here, to run once:
  char buffer[2];
  byte d = 0x0a;
  sprintf(buffer, "%02x", d);
  Serial.begin(9600);
  delay(1000);
  Serial.println(buffer);
}

void loop() {
  // put your main code here, to run repeatedly:

}