What ONE character do you want to convert x, y, or z to? That IS what you asked.
Converting a double to a string, a NULL terminated ARRAY of chars is a different story - one that dtostrf() handles nicely.
What ONE character do you want to convert x, y, or z to? That IS what you asked.
Converting a double to a string, a NULL terminated ARRAY of chars is a different story - one that dtostrf() handles nicely.