<\/span><\/h2>\n\/\/ # Editor : Jiang from DFRobot\r\n\/\/ # Data : 24.07.2012\r\n \r\n\/\/ # Product name:ultrasonic scanner Kit\r\n\/\/ # Product SKU:SEN0001\r\n\/\/ # Version : 0.2\r\n \r\n\/\/ # Description:\r\n\/\/ # The Sketch for scanning 180 degree area 4-500cm detecting range\r\n \r\n\/\/ # Connection:\r\n\/\/ # Pin 1 VCC (URM V3.2) -> VCC (Arduino)\r\n\/\/ # Pin 2 GND (URM V3.2) -> GND (Arduino)\r\n\/\/ # Pin 4 PWM (URM V3.2) -> Pin 3 (Arduino)\r\n\/\/ # Pin 6 COMP\/TRIG (URM V3.2) -> Pin 5 (Arduino)\r\n\/\/ # Pin mode: PWM\r\n\/\/ # Working Mode: PWM passive control mode.\r\n\/\/ # If it is your first time to use it,please make sure the two jumpers to the right hand\r\n\/\/ # side of the device are set to TTL mode. You'll also find a secondary jumper on \r\n\/\/ # the left hand side, you must break this connection or you may damage your device. \r\n \r\n#include <Servo.h> \/\/ Include Servo library\r\n#define ON 1\r\n#define OFF 0\r\nServo myservo; \/\/ create servo object to control a servo \r\n \r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nint pos=0; \/\/ variable to store the servo position\r\nint URPWM=3; \/\/ PWM Output 0-25000us,every 50us represent 1cm\r\nint URTRIG=5; \/\/ PWM trigger pin\r\nint RL = 12; \/\/\u30ea\u30ec\u30fc\u306e\u64cd\u4f5c(pin10\u4f7f\u7528\u306e\u5ba3\u8a00)\r\nint RLfrag= OFF; \/\/RL\u306e\u72b6\u614b\u53d6\u5f97\r\nint under = 20; \/\/\u6c34\u306e\u4e0b\u9650\u5024\uff08\u3053\u306e\u5024\u3092\u8d85\u3048\u308b\u3068\u30dd\u30f3\u30d7ON\uff09\r\nint over = 17; \/\/\u6c34\u306e\u4e0a\u9650\uff08\u3053\u306e\u5024\u3092\u4e0b\u56de\u308b\u3068\u30dd\u30f3\u30d7OFF\uff09\r\n\r\nboolean up=true; \/\/ create a boolean variable\r\nunsigned long time; \/\/ create a time variable\r\nunsigned long urmTimer = 0; \/\/ timer for managing the sensor reading flash rate\r\n \r\nunsigned int Distance=0;\u3000\/\/\u6c34\u9762\u8ddd\u96e2\r\nuint8_t EnPwmCmd[4]={0x44,0x22,0xbb,0x01}; \/\/ distance measure command\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u306e\u521d\u671f\u8a2d\u5b9a\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nvoid setup(){ \/\/ Serial initialization\r\n Serial.begin(9600); \/\/ Sets the baud rate to 9600\r\n myservo.attach(9); \/\/ Pin 9 to control servo\r\n PWM_Mode_Setup();\r\n pinMode(RL, OUTPUT);\r\n}\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/main\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nvoid loop(){ \r\n if(millis()-time>=20){ \/\/ interval 0.02 seconds\r\n time=millis(); \/\/ get the current time of programme\r\n if(up){ \/\/ judge the condition\r\n if(pos>=0 && pos<=179){ \r\n pos=pos+1; \/\/ in steps of 1 degree \r\n myservo.write(pos); \/\/ tell servo to go to position in variable 'pos' \r\n }\r\n if(pos>179) up= false; \/\/ assign the variable again\r\n }\r\n else { \r\n if(pos>=1 && pos<=180){ \r\n pos=pos-1;\r\n myservo.write(pos);\r\n }\r\n if(pos<1) up=true;\r\n }\r\n }\r\n \r\n if(millis()-urmTimer>50){\r\n urmTimer=millis(); \r\n PWM_Mode();\r\n }\r\n WaterSurface(); \/\/\u30ea\u30ec\u30fc\u64cd\u4f5c\r\ndelay(10);\r\n }\r\n \r\n void PWM_Mode_Setup(){ \r\n pinMode(URTRIG,OUTPUT); \/\/ A low pull on pin COMP\/TRIG\r\n digitalWrite(URTRIG,HIGH); \/\/ Set to HIGH\r\n \r\n pinMode(URPWM, INPUT); \/\/ Sending Enable PWM mode command\r\n \r\n for(int i=0;i<4;i++){\r\n Serial.write(EnPwmCmd[i]);\r\n } \r\n}\r\n \r\nvoid PWM_Mode(){ \/\/ a low pull on pin COMP\/TRIG triggering a sensor reading\r\n digitalWrite(URTRIG, LOW); \r\n digitalWrite(URTRIG, HIGH); \/\/ reading Pin PWM will output pulses\r\n \r\n unsigned long DistanceMeasured=pulseIn(URPWM,LOW);\r\n \r\n if(DistanceMeasured==50000){ \/\/ the reading is invalid.\r\n Serial.print("Invalid"); \r\n }\r\n else{\r\n Distance=DistanceMeasured\/50; \/\/ every 50us low level stands for 1cm\r\n }\r\n Serial.print("Distance=");\r\n Serial.print(Distance);\r\n Serial.println("cm");\r\n}\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\u6c34\u9762\u9ad8\u3055\u306e\u6761\u4ef6\u5206\u5c90\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nvoid WaterSurface(){\r\n if(Distance>=under && RLfrag==OFF) \/\/\u6c34\u9762\u304c\u898f\u5b9a\u5024\u3088\u308a\u3082\u4f4e\u3044\u5834\u5408\u3067\u30ea\u30ec\u30fc\u304c\u30aa\u30d5\u306e\u5834\u5408\u3000\u30ea\u30ec\u30fc\u3092\u30aa\u30f3\r\n {\r\n digitalWrite(RL, HIGH);\r\n RLfrag=ON;\r\n }\r\n else if(Distance<=over && RLfrag==ON) \/\/\u6c34\u9762\u304c\u898f\u5b9a\u5024\u3088\u308a\u3082\u9ad8\u3044\u5834\u5408\u3067\u30ea\u30ec\u30fc\u304c\u30aa\u30f3\u306e\u5834\u5408\u3000\u30ea\u30ec\u30fc\u3092\u30aa\u30d5\r\n {\r\n digitalWrite(RL, LOW);\r\n RLfrag=OFF;\r\n }\r\n}\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\u6c34\u9762\u9ad8\u3055\u306e\u6761\u4ef6\u5206\u5c90\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n<\/pre>\n<\/span>\u6c34\u69fd\u3078\u8a2d\u7f6e\u3057\u3066\u30c6\u30b9\u30c8\u3084\u30b1\u30fc\u30b9\u3078\u306e\u7d44\u307f\u8fbc\u307f<\/span><\/h2>\n![\"\"](\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2016\/08\/arduino_URM371-590x442.jpg\")
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\u6700\u4f4e\u9650\u914d\u7dda\u3057\u305fArduino\u3092\u6c34\u69fd\u306b\u30af\u30ea\u30c3\u30d7\u30a2\u30fc\u30e0\u3067\u56fa\u5b9a\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002\u8d85\u97f3\u6ce2\u304c\u6c34\u69fd\u306e\u58c1\u9762\u306b\u53cd\u5c04\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u4f4d\u7f6e\u6c7a\u3081\u304c\u30b7\u30d3\u30a2\u3067\u3057\u305f\u304c\u4f4d\u7f6e\u3055\u3048\u6c7a\u3081\u3066\u3057\u307e\u3048\u3070\u3053\u3061\u3089\u306e\u671f\u5f85\u901a\u308a\u52d5\u3044\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
![\"\"](\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2016\/08\/arduino_URM372-1-590x442.jpg\")
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\u4e0a\u624b\u304f\u52d5\u304f\u306e\u304c\u78ba\u8a8d\u3067\u304d\u305f\u305f\u3081\u3001\u4e00\u5f0f\u3092\u30b1\u30fc\u30b9\u306b\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002TAKACHI\u306e\u30a2\u30eb\u30df\u30b1\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u52a0\u5de5\u3057\u3066Arduino\u3084\u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u3001\u30ea\u30ec\u30fc\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n
![\"\"](\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2016\/08\/arduino_URM373-2-590x442.jpg\")
<\/p>\n
<\/span>\u307e\u3068\u3081<\/span><\/h2>\n\u4eca\u56de\u306f\u3001Arduino\u3067\u6c34\u9762\u9ad8\u3055\u3092\u691c\u77e5\u3057\u3066\u30b3\u30f3\u30bb\u30f3\u30c8\u3092ON\u30fbOFF\u3055\u305b\u308b\u3068\u3044\u3046\u4e8b\u306b\u6311\u6226\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
\u3061\u3087\u3063\u3068\u4e0d\u5b89\u3060\u3063\u305f\u6c34\u9762\u691c\u77e5\u3082\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u304a\u308a\u3001\u6c34\u304c\u3042\u3075\u308c\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u672c\u6765\u306a\u3089\u30bb\u30f3\u30b5\u30fc\u304c\u7834\u640d\u3057\u305f\u308aArduino\u304c\u30d5\u30ea\u30fc\u30ba\u3057\u305f\u5834\u5408\u306a\u3069\u3092\u60f3\u5b9a\u3057\u3001\u5225\u306e\u30bb\u30f3\u30b5\u30fc\u3092\u7d44\u307f\u8fbc\u3080\u306a\u3069\u3057\u3066\u4e8c\u91cd\u5316\u3059\u308b\u3079\u304d\u306a\u306e\u3067\u3059\u304c\u3001\u8d85\u97f3\u6ce2\u4ee5\u5916\u306e\u3044\u3044\u30bb\u30f3\u30b5\u30fc\u304c\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002\u4eca\u5f8c\u306e\u8ab2\u984c\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Arduino\u3068\u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u3092\u4f7f\u3063\u3066\u6c34\u9762\u30ec\u30d9\u30eb\u30bb\u30f3\u30b5\u3092\u4f5c\u308a\u307e\u3057\u305f\u3001\u30ea\u30ec\u30fc\u3067\u30dd\u30f3\u30d7\u306eON\uff65OFF\u3092\u5236\u5fa1\u3055\u305b\u308b\u3053\u3068\u3067\u6c34\u69fd\u9593\u306e\u6c34\u3092\u5faa\u74b0\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001ArduinoUno\u306b\u8d85\u97f3\u6ce2\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308bURM37\u3092\u4f7f\u3063\u3066\u6c34\u69fd\u306e\u6c34\u9762\u9ad8\u3055\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u30dd\u30f3\u30d7\u306eON\uff65OFF\u6761\u4ef6\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 \u6c34\u69fd\u9593\u3067\u6c34\u3092\u5faa\u74b0\u3055\u305b\u305f\u3044 \u30a2\u30af\u30a2\u30ea\u30a6\u30e0\u3067\u306f\u308d\u904e\u80fd\u529b\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3001\u6c34\u69fd\u306e\u4e2d\u306e\u751f\u4f53\u6570\u3068\u308d\u904e\u80fd\u529b\u306f\u5207\u3063\u3066\u3082\u5207\u308c\u306a\u3044\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059\u3002\u6c34\u69fd\u306e\u308d\u904e\u80fd\u529b\u3092\u8d85…<\/p>","protected":false},"author":1,"featured_media":5002,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[64,65,66,106,109,159],"class_list":{"0":"post-985","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-arduino","8":"tag-arduino","9":"tag-urm37","10":"tag-66","11":"tag-106","12":"tag-109","13":"tag-159"},"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/comments?post=985"}],"version-history":[{"count":2,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/985\/revisions"}],"predecessor-version":[{"id":5008,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/985\/revisions\/5008"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/media\/5002"}],"wp:attachment":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/media?parent=985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/categories?post=985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/tags?post=985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}