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--- tutorials:arduino:analogread [2014/02/27 22:33]
aaron created
+++ tutorials:arduino:analogread [2014/02/28 10:21] (current)
sam
@@ Line 9: / Line 9: @@
 ===== 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}}
@@ Line 15: / Line 17: @@
 ==== Source Code ====
 <code>
-int potPin = 0; //定义模拟接口0 连接LM35 温度传感器
+int potPin = 0;
 void setup()
 {
-Serial.begin(9600);//设置波特率
+Serial.begin(9600);
 }
 void loop()
 {
-int val;//定义变量
+int val;
-int dat;//定义变量
+int dat;
-val=analogRead(0);// 读取传感器的模拟值并赋值给val
+val=analogRead(0);
-dat=(125*val)>>8;//温度计算公式
+dat=(125*val)>>8;
-Serial.print("Tep:");//原样输出显示Tep 字符串代表温度
+Serial.print("Tep:");
-Serial.print(dat);//输出显示dat 的值
+Serial.print(dat);
-Serial.println("C");//原样输出显示C 字符串
+Serial.println("C");
-delay(500);//延时0.5 秒
+delay(500);
 }
 </code>

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