1、实验材料

(1)UNO  R3板 (2)流水灯

2、连线图

https://cdn.china-scratch.com/timg/200103/10554060P-0.jpg

3、Mixly编程

https://cdn.china-scratch.com/timg/200103/10554025K-1.jpg

4、扩展:Arduino IDE编程

int BASE= 2;int NUM = 13;int delayTime=100;
void setup(){for (int i = BASE; i < BASE + NUM; i ++){pinMode(i,OUTPUT);}}
void loop(){for (int i = BASE; i < BASE + NUM; i++){digitalWrite(i, LOW);delay(delayTime);}for (int i = BASE; i< BASE + NUM; i ++){digitalWrite(i, HIGH);delay(delayTime);}}

5、实验现象

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