ÿþ//extract ip or mac address on parts
//https://stackoverflow.com/questions/35227449/convert-ip-or-mac-address-from-string-to-byte-array-arduino-or-c
// tested in ARDUINO IDE 1.6.7


/*for mac use this code
const char* macStr = "90-A2-AF-DA-14-11";
byte mac[6];
parseBytes(macStr, '-', mac, 6, 16);
*/

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }
}

void loop() {
  // put your main code here, to run repeatedly:
const char* ipStr = "50.100.150.200";
byte ip[4];
parseBytes(ipStr, '.', ip, 4, 10);


}
void parseBytes(const char* str, char sep, byte* bytes, int maxBytes, int base) {
    for (int i = 0; i < maxBytes; i++) {
        bytes[i] = strtoul(str, NULL, base);  // Convert byte
        Serial.println(bytes[i]);
        str = strchr(str, sep);               // Find next separator
        if (str == NULL || *str == '\0') {
            break;                            // No more separators, exit
        }
        str++;                                // Point to next character after separator
    }
}