Aug 27, 2013 #1 brian25 Member level 2 Joined Feb 18, 2013 Messages 52 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Activity points 1,601 hi sir/ma'am how to convert a char to a string? i got this error. sketch_aug27a:90: error: invalid conversion from 'char' to 'const char*' sketch_aug27a:90: error: initializing argument 1 of 'String::String(const char*)' sketch_aug27a:93: error: invalid conversion from 'char' to 'const char*' sketch_aug27a:93: error: initializing argument 1 of 'unsigned char String::equals(const char*) const' Code: char x; n[20]; if((x, n)>0) // Number, Number length { String num=x; if(num.equals("12345")){ Serial.print("Ok"); } else{ Serial.print("Done"); }
hi sir/ma'am how to convert a char to a string? i got this error. sketch_aug27a:90: error: invalid conversion from 'char' to 'const char*' sketch_aug27a:90: error: initializing argument 1 of 'String::String(const char*)' sketch_aug27a:93: error: invalid conversion from 'char' to 'const char*' sketch_aug27a:93: error: initializing argument 1 of 'unsigned char String::equals(const char*) const' Code: char x; n[20]; if((x, n)>0) // Number, Number length { String num=x; if(num.equals("12345")){ Serial.print("Ok"); } else{ Serial.print("Done"); }
Sep 8, 2013 #2 A ahmed-agt Member level 5 Joined Nov 12, 2012 Messages 88 Helped 8 Reputation 16 Reaction score 9 Trophy points 1,288 Location Nigeria Activity points 1,825 Visit these links https://www.arduino.cc/en/Guide/HomePage https://forum.sparkfun.com/viewforum.php?f=32
Visit these links https://www.arduino.cc/en/Guide/HomePage https://forum.sparkfun.com/viewforum.php?f=32