Hi, I need to convert a string to another string but in hexadecimal representation, I am using this code to do it but I only manage to convert the first character of the string, what could be my error? char msgArray[] = "example message"; char HexString[20]; void setup() { Serial.begin(115200); …

sprintf(&HexString[i * 2], "%02x", msgArray[i]); But, like I said, it's not big enough. I'd still love to hear that justification.

How to convert a String o another Hex String

anon73444976 November 6, 2021, 9:21pm 7

I'd like to see the justification for that statement

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