{"id":13,"date":"2023-11-22T14:58:26","date_gmt":"2023-11-22T11:58:26","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/a427625\/?p=13"},"modified":"2023-11-22T14:58:26","modified_gmt":"2023-11-22T11:58:26","slug":"arduino-project-dht11","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/a427625\/2023\/11\/22\/arduino-project-dht11\/","title":{"rendered":"Arduino Project DHT11"},"content":{"rendered":"

Arduino project<\/span><\/strong><\/em>\u00a0#1<\/strong><\/span><\/p>\n

\u039a\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 <\/span><\/strong><\/p>\n

    \n
  1. Arduino Uno R3 (\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c2)<\/li>\n
  2. DHT11 (\u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u03c2)<\/li>\n
  3. LCD 16x2 (Liquid Crystal Display)(\u039f\u03b8\u03cc\u03bd\u03b7 16*2)<\/li>\n
  4. Buzzer (\u03a7\u03c4\u03c5\u03c0\u03ac\u03b5\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 28 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u039a\u03b5\u03bb\u03c3\u03af\u03bf\u03c5 \u03ae \u03cc\u03c4\u03b1\u03bd \u03ba\u03b1\u03c4\u03ad\u03b2\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 25 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u039a\u03b5\u03bb\u03c3\u03af\u03bf\u03c5)<\/li>\n
  5. Breadboard (\u0386\u03c3\u03c0\u03c1\u03bf \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03ba\u03b5\u03af \u03c0\u03ac\u03bd\u03c9 \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b5\u03c2 \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c5\u03ba\u03bf\u03bb\u03af\u03b1)<\/li>\n
  6. Jumper Cables Female to Male (\u039a\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03b8\u03b7\u03bb\u03c5\u03ba\u03ac \u03c0\u03c1\u03bf\u03c2 \u0391\u03c1\u03c3\u03b5\u03bd\u03b9\u03ba\u03ac)<\/li>\n
  7. Jumper Cables Male to Male (\u039a\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u0391\u03c1\u03c3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03c2 \u0391\u03c1\u03c3\u03b5\u03bd\u03b9\u03ba\u03ac)<\/li>\n<\/ol>\n

    \u039a\u03ce\u03b4\u03b9\u03ba\u03b1\u03c2 C++<\/span><\/strong><\/p>\n

    \n
    #include <Wire.h><\/div>\n
    #include <LiquidCrystal_I2C.h><\/div>\n
    #include <DHT.h><\/div>\n
    #define DHTPIN 2<\/div>\n
    #define DHTTYPE DHT11<\/div>\n
    DHT dht(DHTPIN, DHTTYPE);<\/div>\n
    LiquidCrystal_I2C lcd(0x27, 16, 2);<\/div>\n
    const int buzzerPin = 9;<\/div>\n
    const int highTempThreshold = 28;<\/div>\n
    const int lowTempThreshold = 25;<\/div>\n
    void setup() {<\/div>\n
    \u00a0 lcd.begin(16, 2);<\/div>\n
    \u00a0 lcd.backlight();<\/div>\n
    \u00a0 pinMode(buzzerPin, OUTPUT);<\/div>\n
    \u00a0 dht.begin();<\/div>\n
    }<\/div>\n
    void loop() {<\/div>\n
    \u00a0 float temperature = dht.readTemperature();<\/div>\n
    \u00a0 float humidity = dht.readHumidity();<\/div>\n
    \u00a0 if (isnan(temperature) || isnan(humidity)) {<\/div>\n
    \u00a0 \u00a0 lcd.clear();<\/div>\n
    \u00a0 \u00a0 lcd.setCursor(0, 0);<\/div>\n
    \u00a0 \u00a0 lcd.print(\"DHT11 not found\");<\/div>\n
    \u00a0 \u00a0 lcd.setCursor(0, 1);<\/div>\n
    \u00a0 \u00a0 lcd.print(\"Check connections\");<\/div>\n
    \u00a0 \u00a0 tone(buzzerPin, 1000);<\/div>\n
    \u00a0 \u00a0 delay(500);<\/div>\n
    \u00a0 \u00a0 noTone(buzzerPin);<\/div>\n
    \u00a0 \u00a0 delay(500);<\/div>\n
    \u00a0 } else {<\/div>\n
    \u00a0 \u00a0 lcd.setCursor(0, 0);<\/div>\n
    \u00a0 \u00a0 lcd.print(\"Temp: \");<\/div>\n
    \u00a0 \u00a0 lcd.print(temperature);<\/div>\n
    \u00a0 \u00a0 lcd.print(\" C\");<\/div>\n
    \u00a0 \u00a0 lcd.setCursor(0, 1);<\/div>\n
    \u00a0 \u00a0 lcd.print(\"Humidity: \");<\/div>\n
    \u00a0 \u00a0 lcd.print(humidity);<\/div>\n
    \u00a0 \u00a0 lcd.print(\"%\");<\/div>\n
    \u00a0 \u00a0 if (temperature > highTempThreshold || temperature < lowTempThreshold) {<\/div>\n
    \u00a0 \u00a0 \u00a0 tone(buzzerPin, 1000, 1000);<\/div>\n
    \u00a0 \u00a0 \u00a0 delay(2000);<\/div>\n
    \u00a0 \u00a0 \u00a0 noTone(buzzerPin);<\/div>\n
    \u00a0 \u00a0 }<\/div>\n
    \u00a0 }<\/div>\n
    \u00a0 delay(2000);<\/div>\n
    }<\/div>\n<\/div>\n
    \u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c3\u03c4\u03bf Arduino IDE<\/span><\/strong><\/em><\/div>\n
    Wire<\/div>\n
    LiquidCrystal_I2C<\/div>\n
    DHT<\/div>\n
    <\/div>\n
    \u03a6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03bf\u03c2<\/span><\/strong><\/div>\n

    \"\"<\/p>\n

    \"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    Arduino project\u00a0#1 \u039a\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 Arduino Uno R3 (\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c2) DHT11 (\u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u03c2) LCD 16×2 (Liquid Crystal Display)(\u039f\u03b8\u03cc\u03bd\u03b7 16*2) Buzzer (\u03a7\u03c4\u03c5\u03c0\u03ac\u03b5\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 28 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u039a\u03b5\u03bb\u03c3\u03af\u03bf\u03c5 \u03ae \u03cc\u03c4\u03b1\u03bd \u03ba\u03b1\u03c4\u03ad\u03b2\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 25 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u039a\u03b5\u03bb\u03c3\u03af\u03bf\u03c5) … <\/p>\n

    Continue reading “Arduino Project DHT11”<\/span><\/a><\/div>\n","protected":false},"author":827272,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[7,13,10,16],"class_list":["post-13","post","type-post","status-publish","format-standard","hentry","category-arduino-projects","tag-arduino","tag-c","tag-coding","tag-programming"],"_links":{"self":[{"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/posts\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/users\/827272"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/posts\/13\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/media?parent=13"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/categories?post=13"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/a427625\/wp-json\/wp\/v2\/tags?post=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}