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代码案例/6 Arduino基础学习/24 MC猜数字(6)- 完成制作/Final/.pydio
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代码案例/6 Arduino基础学习/24 MC猜数字(6)- 完成制作/Final/.pydio
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代码案例/6 Arduino基础学习/24 MC猜数字(6)- 完成制作/Final/Final.ino
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代码案例/6 Arduino基础学习/24 MC猜数字(6)- 完成制作/Final/Final.ino
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/*
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* MC猜数字 (Ver. 1.0)
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*
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* 本程序用于太极创客制作的《零基础入门学用Arduino教程》中
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* MC猜数字小制作。通过学习和搭建这个小装置,我们希望您能够
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* 学会以下内容:
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*
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* - LED数码管的原理和使用
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* - if...else if的概念和应用
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* - while循环的概念和应用
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* - switch case控制语句
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* - random函数的使用
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* - 建立和使用自定义函数(三种形式:无参数无返回值,有参数无返回值,有参数有返回值)
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* - 通过串口监视器观察调试程序运行状况
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*
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* 电路连接:
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* 有关本制作的详细电路连接资料,请参阅太极创客网站的《零基础入门学用Arduino教程》相关网页。
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*
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*
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* 太极创客网站地址:
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* www.taichi-maker.com
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*
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* 如您对我们有任何建议或意见,请发邮件至:
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* taichimaker@163.com
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*
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* 同时您也可以通过我们的微信公众号以及微博获得更多太极创客的最新信息。
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*
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* This example code is in the public domain.
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*
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* 2017-04-23
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*
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* 注:
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* 目前科学技术尚无法实现意念控制。
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* 科技可以改变世界,但也有心怀不轨的人会利用科技制作
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* 我们不宜察觉的装置。而这些装置会被用于赌博或诈骗。
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* 我们一定要远离赌博,相信科学。:)
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*/
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int thisResult; //存储按键按下以后显示在数码管的数字。
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int nextResult; //存储作弊数字,也就是下一次按键按下后即将显示的数字。
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void setup() {
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pinMode(2, INPUT_PULLUP); //2号引脚上连接有按键开关,将2号引脚设置为输入上拉模式
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int pinNumber = 3; //设置3-9号引脚为输出模式
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while(pinNumber <= 9){
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pinMode(pinNumber, OUTPUT);
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pinNumber = pinNumber + 1;
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}
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randomSeed(analogRead(A0)); //为了每一次复位或断电后产生不同顺序的随机数字
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}
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// the loop function runs over and over again forever
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void loop() {
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if (!digitalRead(2)){ //读取2号引脚电平状态
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getRandomNumber(0,10); //用户按下按键后,开始新一次猜数字游戏
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}
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displayNumber(thisResult); //将猜数字游戏"结果"显示在数码管中
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}
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/*
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用户在每一次按下按键后,随机产生的数字将存储于nextResult变量中。
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而实际显示在数码管上的数字是thisResult变量。
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当thisResult即将显示在数码管前,程序会将下一次显示的数字通过
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图形暗示的形式显示在数码管上。具体程序如何显示暗示图形,
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请参阅displayCheat()函数说明。
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*/
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void getRandomNumber(int minNumber, int maxNumber){
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thisResult = nextResult;
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int i;
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while(i < 15){
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i = i + 1;
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nextResult = random(0, 10);
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displayRandom(); //显示随机图案,混淆注意力
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delay(50 + i * 10); //让随机图案显示时间由快到慢,增加混淆
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displayClear();
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}
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displayCheat(nextResult); //显示作弊图案,用户可通过此函数所显示的图案
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//获知下次按键后将要出现在LED数码管上的数字。
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//此图案是在用户每次按下按键后显示新的数字
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//前的最后一次图案显示
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delay(500);
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displayClear();
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}
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//根据参数数值在LED数码管上显示数字
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void displayNumber(int ledNumber){
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switch(ledNumber){
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case 1: //显示1
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digitalWrite(4, HIGH);
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digitalWrite(7, HIGH);
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break;
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case 2: //显示2
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(8, HIGH);
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digitalWrite(9, HIGH);
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break;
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case 3: //显示3
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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break;
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case 4: //显示4
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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break;
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case 5: //显示5
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digitalWrite(3, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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break;
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case 6: //显示6
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digitalWrite(3, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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digitalWrite(9, HIGH);
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break;
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case 7: //显示7
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(7, HIGH);
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break;
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case 8: //显示8
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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digitalWrite(9, HIGH);
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break;
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case 9: //显示9
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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break;
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case 0: //显示默认
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digitalWrite(3, HIGH);
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digitalWrite(4, HIGH);
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digitalWrite(6, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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digitalWrite(9, HIGH);
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break;
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default:
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digitalWrite(4, HIGH);
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digitalWrite(5, HIGH);
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digitalWrite(7, HIGH);
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digitalWrite(8, HIGH);
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digitalWrite(9, HIGH);
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}
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}
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//清理显示内容
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void displayClear(){
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digitalWrite(3, LOW);
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digitalWrite(4, LOW);
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digitalWrite(5, LOW);
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digitalWrite(6, LOW);
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digitalWrite(7, LOW);
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digitalWrite(8, LOW);
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digitalWrite(9, LOW);
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}
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//显示随机图案以混淆注意力
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//使作弊图案显示时不易察觉。
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void displayRandom(){
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int randomPin = random(3,9);
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digitalWrite(randomPin, HIGH);
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}
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//显示作弊图案。
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void displayCheat(int number){
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switch(number){
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case 1: // 显示数字1作弊图案
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digitalWrite(3, HIGH);
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break;
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case 2: // 显示数字2作弊图案
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digitalWrite(6, HIGH);
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break;
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case 3: // 显示数字3作弊图案
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digitalWrite(4, HIGH); ;
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break;
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case 4: // 显示数字4作弊图案
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digitalWrite(5, HIGH);
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break;
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case 5: // 显示数字5作弊图案
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digitalWrite(9, HIGH);
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break;
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case 6: // 显示数字6作弊图案
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digitalWrite(7, HIGH);
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break;
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case 7: // 显示数字7作弊图案
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digitalWrite(8, HIGH);
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break;
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case 8: // 显示数字8作弊图案
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digitalWrite(6, HIGH);
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digitalWrite(4, HIGH);
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break;
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case 9: // 显示数字9作弊图案
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digitalWrite(9, HIGH);
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digitalWrite(7, HIGH);
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break;
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case 0: // 显示数字0作弊图案
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digitalWrite(3, HIGH);
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digitalWrite(8, HIGH);
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break;
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}
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}
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