byte id=0; char a[100]={0}; char c=0; for(byte i=0;i<100 && serial.available()>0;i++) c=serial.read(); a[i]=c; delaymicroseconds(86); } //now i want to add id which is 0 to the string byte _length=strlen(a); //length=11 a[_length+1]=id; a[_length+2]=‘\0’; _length=strlen(a); // and it shows same l…

Adding char to string

Coding_Badly April 22, 2018, 10:42pm 8

noweare:
You declared your string as 100 characters, so that is what strlen will return.

Nope.

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