DAFTAR PUSTAKA. Sensor DHT 11 Dan LCD. Skripsi Sarjana-1, Jurusan Teknik Elektro, Fakultas Teknik, Universitas Mercu Buana, Jakarta

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1 DAFTAR PUSTAKA a) Muchlis, Muhamad Perancangan System Monitoring Dan Pengontrol Suhu Ruangan Perangkat Rbs Berbasis Arduino Dengan Sensor DHT 11 Dan LCD. Skripsi Sarjana-1, Jurusan Teknik Elektro, Fakultas Teknik, Universitas Mercu Buana, Jakarta b) Ariestiani Perancangan Sistem Monitoring Rumah Dengan Teknologi WAP dan Internet. Skripsi Sarjana-1, Jurusan Teknik Elektro, Fakultas Teknik, Universitas Mercu Buana, Jakarta c) (diakses pada tanggal 07 Mei 2016). d) Prakiraan_Cuaca_Indonesia.bmkg (diakses 16 Mei 2016) e) Supatmi, sri. 12 Mei Pengaruh sensor LDR terhadap lampu. Jurnal Majalah Ilmiah. Jilid 8, No.2, (diakses 6 Juni 2016) f) Safrianti, Ery, Feranita, Hendra, S. 1 April Perancangan Alat Ukur Kecepatan dan Arah Angin. Jurnal Rekayasa Elektrika. Jilid 9, No.1, (diakses 6 Juni 2016) g) (diakases 16 Juni 2016) h) (diaskses 16 Juni 2016)

2 LAMPIRAN #include <RTClib.h> #include <Wire.h> // Comes with Arduino IDE #include <LiquidCrystal_I2C.h> #include <Wire.h> char MonthOfTyear[12][12] = "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Des"; RTC_DS1307 rtc; # define LDR_Pin A1 # define windpin 2 # define READY 8 # define PULSE 9 # define STATUS 10 LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address // Constants definitions const float pi = ; // pi number //int period = 10000; // Measurement period (miliseconds) ii

3 int period = 2500; // Measurement period (miliseconds) int delaytime = 10000; // Time between samples (miliseconds) int radio = 80; // Distance from center windmill to outer cup (mm) int jml_celah = 22; // jumlah celah sensor // Variable definitions unsigned int Sample = 0; // Sample number unsigned int counter = 0; // B/W counter for sensor unsigned int RPM = 0; // Revolutions per minute float speedwind = 0; // Wind speed (m/s) static unsigned char change_disp=0; int LDRReading; int LiquidReading; char buffdate[15]; char bufftime[15]; void setup() /*----( SETUP: RUNS ONCE )----*/ Serial.begin(9600); // Used to type in characters rtc.begin(); pinmode(pulse, OUTPUT); pinmode(ready, OUTPUT); pinmode(status, OUTPUT); digitalwrite(pulse,high); iii

4 digitalwrite(ready,high); digitalwrite(status,high); lcd.begin(16,2); // initialize the lcd for 16 chars 2 lines, turn on backlight // Quick 3 blinks of backlight for(int i = 0; i< 3; i++) lcd.backlight(); delay(250); lcd.nobacklight(); delay(250); lcd.backlight(); // finish with backlight on // Write characters on the display // NOTE: Cursor Position: (CHAR, LINE) start at 0 lcd.setcursor(0,0); //Start at character 4 on line 0 lcd.print("weather STATION "); delay(1000); lcd.print(" SYSTEM "); delay(3000); iv

5 lcd.print(" "); DateTime now = rtc.now(); /* */ lcd.print(" SYSTEM "); delay(3000); //lcd.clear(); digitalwrite(ready,low); /*--(end setup )---*/ void loop() /*----( LOOP: RUNS CONSTANTLY )----*/ windvelocity(); RPMcalc(); WindSpeed(); /* Serial.print(speedwind); v

6 Serial.print(" [m/s]"); lcd.setcursor(0,0); lcd.print(" ANEMOMETER "); lcd.print(" "); lcd.setcursor(9,1); lcd.print(speedwind); */ displcd(); /* --(end main loop )-- */ // Measure wind speed void windvelocity() speedwind = 0; counter = 0; attachinterrupt(0, addcount, CHANGE); unsigned long millis(); long starttime = millis(); while(millis() < starttime + period) detachinterrupt(1); vi

7 void RPMcalc() RPM=((counter/jml_celah)*60)/(period/1000); // Calculate revolutions per minute (RPM) void WindSpeed() speedwind = ((2 * pi * radio * RPM)/60) / 1000; // Calculate wind speed on m/s void addcount() counter++; void displcd() DateTime now = rtc.now(); LDRReading = analogread(ldr_pin); if(change_disp== 1) sprintf(buffdate,"%d %s %d",now.day(),monthoftyear[now.month()- 1],now.year()); sprintf(bufftime,"%d:%d:%d",now.hour(),now.minute(),now.second()); vii

8 lcd.setcursor(0,0); lcd.print(" "); lcd.setcursor(2,0); lcd.print(buffdate); lcd.print(" "); lcd.setcursor(4,1); lcd.print(bufftime); if(change_disp== 2) lcd.setcursor(0,0); lcd.print(" ANEMOMETER "); lcd.print(" "); lcd.setcursor(9,1); lcd.print(speedwind); lcd.setcursor(12,1); lcd.print("m/s"); viii

9 //lcd.clear(); if(change_disp== 3) lcd.setcursor(0,0); lcd.print(" LIGHT "); lcd.print(" "); lcd.setcursor(8,1); lcd.print(ldrreading); lcd.setcursor(13,1); lcd.print("lux"); //lcd.clear(); change_disp++; if(change_disp>=4) change_disp=0; //delay(100); ix

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