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代码案例/6 Arduino基础学习/20 MC猜数字（2） – LED数码管/.pydio

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代码案例/6 Arduino基础学习/20 MC猜数字（2） – LED数码管/Lesson20/.pydio

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代码案例/6 Arduino基础学习/20 MC猜数字（2） – LED数码管/Lesson20/Lesson20.ino

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+/*
+20 MC猜数字 - 2 LED数码管 
+太极创客
+www.taichi-maker.com
+
+此程序用于太极创客<<零基础入门学用Arduino教程>>
+20 MC猜数字 - 2 LED数码管 
+课程的演示实验使用。
+
+2017-04-21
+*/
+
+void setup() {
+  pinMode(3, OUTPUT);
+  pinMode(4, OUTPUT);
+  pinMode(5, OUTPUT);
+  pinMode(6, OUTPUT);
+  pinMode(7, OUTPUT);
+  pinMode(8, OUTPUT);
+  pinMode(9, OUTPUT);
+
+}
+
+// the loop function runs over and over again forever
+void loop() {
+   
+   // 显示 1:
+    digitalWrite(4, HIGH);
+    digitalWrite(7, HIGH); 
+    delay(500);  
+
+  // 清理显示内容
+    digitalWrite(3, LOW);
+    digitalWrite(4, LOW);
+    digitalWrite(5, LOW); 
+    digitalWrite(6, LOW); 
+    digitalWrite(7, LOW); 
+    digitalWrite(8, LOW); 
+    digitalWrite(9, LOW); 
+    delay(500);
+    
+  // 显示 2:
+    digitalWrite(3, HIGH);
+    digitalWrite(4, HIGH); 
+    digitalWrite(5, HIGH); 
+    digitalWrite(8, HIGH); 
+    digitalWrite(9, HIGH); 
+    delay(500);
+      
+  // 清理显示内容
+    digitalWrite(3, LOW);
+    digitalWrite(4, LOW);
+    digitalWrite(5, LOW); 
+    digitalWrite(6, LOW); 
+    digitalWrite(7, LOW); 
+    digitalWrite(8, LOW); 
+    digitalWrite(9, LOW); 
+    delay(500);
+       
+  // 显示 3:
+    digitalWrite(3, HIGH);
+    digitalWrite(4, HIGH); 
+    digitalWrite(5, HIGH); 
+    digitalWrite(7, HIGH); 
+    digitalWrite(8, HIGH); 
+    delay(500);  
+
+  // 清理显示内容
+    digitalWrite(3, LOW);
+    digitalWrite(4, LOW);
+    digitalWrite(5, LOW); 
+    digitalWrite(6, LOW); 
+    digitalWrite(7, LOW); 
+    digitalWrite(8, LOW); 
+    digitalWrite(9, LOW); 
+    delay(500);
+}
+
+
+
+
+
+
+
+