user47038: When I tried to verify a simple “Hello world” program I get the following message:
class hardwareSerial has no member named printin.

What does it mean?

user4143: Try using println instead of printin.  It stands for print line.

47038: <p>When I tried to verify a simple “Hello world” program I get the following message:</p>

<pre><code>class hardwareSerial has no member named printin.
</code></pre>

<p>What does it mean?</p>
 4143: <p>Try using <code>println</code> instead of <code>printin</code>.  It stands for <strong>print</strong> <strong>l</strong>i<strong>n</strong>e.</p>
