擅长:python、mysql、java
<p>除了前面关于比较的回答之外,您还错误地设置了ifs。当第一个if为真时,你就会陷入第二个if的else。你知道吗</p>
<pre><code>if (Serial.available())
{
wordoftheday = Serial.readString();
if (strcmp(wordoftheday, "1")) {email = true;}
else if ((strcmp(wordoftheday, "0")){email = false;}
else {
// Enters here only if both of the above are false
lcd.clear();
lcd.print(wordoftheday);
}
}
</code></pre>