{"id":2357,"date":"2018-09-21T09:44:40","date_gmt":"2018-09-21T01:44:40","guid":{"rendered":"http:\/\/hardihuang.info\/blog\/?p=2357"},"modified":"2019-04-06T12:00:17","modified_gmt":"2019-04-06T04:00:17","slug":"toilet-light-rotating-sign-v3","status":"publish","type":"post","link":"http:\/\/hardihuang.info\/blog\/?p=2357","title":{"rendered":"\u65cb\u8f6c\u536b\u751f\u95f4\u72b6\u6001\u6307\u793a\u724cV3.0\u3010\u542b\u89c6\u9891\u3011"},"content":{"rendered":"

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\r\n\r\n#include\r\nServo myservo; \/\/ create servo object to control a servo\r\nint photocellPin = 1;\r\nint photocellReading;\r\nint lightOnValue = 350;\r\nint lightOffValue = 100;\r\n\r\nint peopleState = false;\r\n\r\nvoid setup() {\r\npinMode(2, INPUT_PULLUP);\r\npinMode(4, OUTPUT);\r\ndigitalWrite(4, LOW);\r\nmyservo.attach(3); \/\/ attaches the servo on GIO2 to the servo object\r\n\/\/Serial.begin(9600);\r\nmyservo.write(0);\r\n}\r\n\r\nvoid loop() {\r\nint pos;\r\nphotocellReading = analogRead(photocellPin);\r\n\/\/Serial.println(photocellReading);\r\ndelay(100);\r\nif(photocellReading < lightOffValue && peopleState == true){\/\/dark peopleState = false; digitalWrite(4, LOW); \/\/servo to 0 \r\nmyservo.attach(3);\r\nfor (pos = 180; pos >= 0; pos -= 1) { \/\/ goes from 180 degrees to 0 degrees\r\nmyservo.write(pos); \/\/ tell servo to go to position in variable 'pos'\r\ndelay(15); \/\/ waits 15ms for the servo to reach the position\r\n}\r\nmyservo.detach();\r\n}else if(photocellReading > lightOnValue && peopleState == false){\/\/light on\r\npeopleState = true;\r\ndigitalWrite(4, HIGH);\r\n\/\/servo to 180\r\nmyservo.attach(3);\r\nfor (pos = 0; pos <= 180; pos += 1) { \/\/ goes from 0 degrees to 180 degrees\r\n\/\/ in steps of 1 degree\r\nmyservo.write(pos); \/\/ tell servo to go to position in variable 'pos'\r\ndelay(15); \/\/ waits 15ms for the servo to reach the position\r\n}\r\nmyservo.detach();\r\n}\r\n\r\n}\r\n<\/code><\/pre>\n
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  • servo\u5982\u679c\u5728\u9759\u6b62\u72b6\u6001\uff0c\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u4e00\u76f4\u54cd\uff0c\u521a\u5f00\u59cb\u4ee5\u4e3a\u662f\u65cb\u8f6c\u76d8\u592a\u6c89\u7684\u8fc7\uff0c\u540e\u6765\u67e5\u4e86\u4e0b\u53d1\u73b0\u5f88\u591a\u4eba\u90fd\u6709\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e00\u822c\u5904\u7406\u65b9\u6cd5\u662f\uff0c\u7b49servo\u8f6c\u5230\u9884\u5b9a\u4f4d\u7f6e\u540e\uff0c\u7528servo.detach()\uff0c\u6765\u65ad\u6389\u548cservo\u7684\u8fde\u63a5\uff0c\u7b49\u9700\u8981\u65cb\u8f6c\u65f6\uff0c\u518d\u7528servo.attach(servoPin)\u6765\u91cd\u65b0\u94fe\u63a5\uff0c\u6362\u4e0a\u65b0\u7684\u4ee3\u7801\u540e\uff0c\u4e0d\u518d\u7528\u5947\u602a\u7684\u54cd\u58f0\u51fa\u73b0\u4e86<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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