Take a look at the Arduino String tutorial here. The code below was taken from that example. // using an int and a base (hexadecimal): ... ... <看更多>

String stringOne = String(analogRead(0), DEC); // using an int and a base. String stringOne = String(45, HEX); // using an int and a base (hexadecimal) ... <看更多>

// NOTE: This function can handle a positive hex value from 0 - 65,535 (a four digit hex string). // For larger/longer values, change "unsigned int" to "long" ... ... <看更多>

The Arduino print / println function casts the int to a long, which is 4 bytes long for Arduinos. ... <看更多>

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