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====== Analogread ======

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//__About this Article__//
  * **Author**: aaron --- aaron@cubietech.com --- 2014/02/27 22:24
  * **Copyrights**: [[http://creativecommons.org/licenses/by-sa/3.0/|CC Attribution-Share Alike 3.0 Unported]]
  * **Contributors**: [[http://cubieboard.org/|Cubieboard Community]] : ...
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===== Abstract =====
How to do this,please refer to [[http://docs.cubieboard.org/tutorials/arduino/controlling_led |light led]] and [[http://docs.cubieboard.org/tutorials/arduino/connecting|how to connect cubieboard and arduino]]

{{:tutorials:arduino:t1.jpg|400}}
{{:tutorials:arduino:t2.jpg|400}}
=====Schematics=====

==== Source Code ====
<code>
int potPin = 0; //定义模拟接口0 连接LM35 温度传感器
void setup()
{
Serial.begin(9600);//设置波特率
}
void loop()
{
int val;//定义变量
int dat;//定义变量
val=analogRead(0);// 读取传感器的模拟值并赋值给val
dat=(125*val)>>8;//温度计算公式
Serial.print("Tep:");//原样输出显示Tep 字符串代表温度
Serial.print(dat);//输出显示dat 的值
Serial.println("C");//原样输出显示C 字符串
delay(500);//延时0.5 秒
}
</code>

===== Headline =====

=== See Also ===

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{{tag>Cubieboard Cubietruck}}
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