{"id":1186,"date":"2017-01-09T18:34:23","date_gmt":"2017-01-09T10:34:23","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=1186"},"modified":"2017-01-09T18:34:23","modified_gmt":"2017-01-09T10:34:23","slug":"arduino-%e8%87%aa%e5%8b%95%e9%81%bf%e9%9a%9c%e5%9d%a6%e5%85%8b%e8%bb%8a-%e7%a8%8b%e5%bc%8f%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=1186","title":{"rendered":"[ Arduino ] \u2013 \u81ea\u52d5\u907f\u969c\u5766\u514b\u8eca \u7a0b\u5f0f\u78bc"},"content":{"rendered":"<p>\t\t\t\t[javascript]<br \/>\nint isObstaclePin = 7;<br \/>\nint isObstacle = HIGH;<br \/>\nint randDirection=1;<br \/>\nvoid setup() {<br \/>\n  pinMode(isObstaclePin,INPUT);<br \/>\n  pinMode(A1,OUTPUT);<br \/>\n  pinMode(A2,OUTPUT);<br \/>\n  pinMode(A4,OUTPUT);<br \/>\n  pinMode(A5,OUTPUT);<br \/>\n}<br \/>\nvoid loop(){<br \/>\n    isObstacle = digitalRead(isObstaclePin);\/\/\u8b80\u53d6\u611f\u6e2c\u5668\u7684\u503c<br \/>\n    if (isObstacle == LOW)\/\/\u6709\u969c\u7919\u7269<br \/>\n    {<br \/>\n      goback();\/\/\u5f8c\u9000<br \/>\n      delay(1500);<br \/>\n      randDirection=random(1,3);\/\/\u96a8\u6a5f\u53d6\u5f97 1 \u6216 2<br \/>\n      if(randDirection==1){\/\/1 \u5de6\u8f49<br \/>\n        goleft();<br \/>\n        delay(500);<br \/>\n      }else{\/\/2 \u53f3\u8f49<br \/>\n        goright();<br \/>\n        delay(500);<br \/>\n      }<br \/>\n    }else{<br \/>\n      forward();<br \/>\n    }<br \/>\n}<br \/>\nvoid forward(){\/\/\u524d<br \/>\n    digitalWrite(A1,0);<br \/>\n    digitalWrite(A2,135);<br \/>\n    digitalWrite(A4,0);<br \/>\n    digitalWrite(A5,135);<br \/>\n    delay(200);<br \/>\n}<br \/>\nvoid goback(){\/\/\u5f8c<br \/>\n    analogWrite(A1,135);<br \/>\n    analogWrite(A2,0);<br \/>\n    analogWrite(A4,135);<br \/>\n    analogWrite(A5,0);<br \/>\n    delay(200);<br \/>\n}<br \/>\nvoid goleft(){\/\/\u5de6<br \/>\n    analogWrite(A1,130);<br \/>\n    analogWrite(A2,0);<br \/>\n    analogWrite(A4,0);<br \/>\n    analogWrite(A5,135);<br \/>\n}<br \/>\nvoid goright(){\/\/\u53f3<br \/>\n    analogWrite(A1,0);<br \/>\n    analogWrite(A2,135);<br \/>\n    analogWrite(A4,135);<br \/>\n    analogWrite(A5,0);<br \/>\n}<br \/>\nvoid turn_off(){\/\/\u505c<br \/>\n  analogWrite(A1,0);<br \/>\n  analogWrite(A2,0);<br \/>\n  analogWrite(A4,0);<br \/>\n  analogWrite(A5,0);<br \/>\n  delay(300);<br \/>\n}<br \/>\n[\/javascript]\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[javascript] int isObstac&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-1186","post","type-post","status-publish","format-standard","hentry","category-arduino"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/1186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1186"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/1186\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}