DAFTAR PUSTAKA. [3] Dinata, Yuwono Marta Arduino Itu Mudah. Jakarta: PT.Elex Media Komputindo

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1 DAFTAR PUSTAKA [1] Masruchi Rancang dan Bangun System Pengukuran dan Monitoring Pemakaian Air Rumah PDAM Menggunakan SMS (Short Message Service). Skripsi. FT, Teknik Fisika, Universitas Nasional Jakarta. [2] Triady R., Triyanto D., dan Ilhamsyah Prototipe Sistem Keran Air Otomatis Berbasis Sensor Flowmeter Pada Gedung Bertingkat. Pontianak : Jurnal Coding Sistem Komputer Untan, Vol. 03, No. 3: [3] Dinata, Yuwono Marta Arduino Itu Mudah. Jakarta: PT.Elex Media Komputindo [4] Htet Thit San, C.M.N.a.H.M.T. Implementation of pic based led displays. International Journal of Electronics and Computer Science Engineering (IJECSE) pp , vol. 3, [5] Haitao Yan,Yongchang Zhang, Nong Zhang, Paul D, Walker and Jihao Gao, 2016, A Voltage Sensorless Finite Control Set-Model Prediktive Control For Three-Phase Voltage Source PWM Rectifiers Chinese Journal Of Electrical Engineering,Vol.2,No.2.Corresponding Author,E- Mail : yozhang@ieee.org. [6] B G Melipurbowo, Staf Pengajar Teknik Elektro Politeknik Negeri Semarang Pengukuran Daya Listrik Real Time Dengan Menggunakan Sensor Arus ACS.712, Orbith Vol.12,No.1Maret 2016 [7] Vijaykumar K. Pranita, Joshi M. S, 2016, An IOT Based Water Supply Monitoring and Controlling System with Theft Identification International Journal of Innovative Research in Science Engineering and Technology (IJIRSET) ISSN : , vol. 5, [8] Suharjono Amin, Nurina R. L., Afwah Roudlotul Aplikasi Sensor Flow Water untuk Mengukur Penggunaan Air Pelanggan Secara Digital Serta Pengiriman Data Secara Otomatis pada PDAM kota Semarang. Jurnal TELE, vol. 13,

2 /***************************************************** Perancangan Sistem Monitoring Dan Control Pemakaian Air PDAM menggunakan Microcontroller Wemos Dan Aplikasi Android Blynk. Ilham Septian Herwiansya *****************************************************/ // Including the ESP8266 WiFi library #include <ESP8266WiFi.h> byte sensorpin = D2; byte sensorinterrupt = digitalpintointerrupt(sensorpin); // 0 = digital pin 2 // The hall-effect flow sensor outputs approximately 4.5 pulses per second per // litre/minute of flow. float calibrationfactor = 4.5; volatile byte pulsecount; float flowrate; unsigned int flowmillilitres; unsigned long totalmillilitres; unsigned long oldtime; // Replace with your network details const char* ssid = "Lenovo S90-A"; 53

3 const char* password = " "; // Web Server on port 80 WiFiServer server(80); void setup() // Initialize a serial connection for reporting values to the host Serial.begin(9600); pinmode(sensorpin, INPUT); digitalwrite(sensorpin, HIGH); pulsecount = 0; flowrate = 0.0; flowmillilitres = 0; totalmillilitres = 0; oldtime = 0; // The Hall-effect sensor is connected to pin 2 which uses interrupt 0. // Configured to trigger on a FALLING state change (transition from HIGH // state to LOW state) attachinterrupt(sensorinterrupt, pulsecounter, FALLING); // Connecting to WiFi network Serial.println(); Serial.print("Connecting to "); Serial.println(ssid); 54

4 WiFi.begin(ssid, password); while (WiFi.status()!= WL_CONNECTED) delay(500); Serial.print("."); Serial.println(""); Serial.println("WiFi connected"); // Starting the web server server.begin(); Serial.println("Web server running. Waiting for the ESP IP..."); delay(5000); // Printing the ESP IP address Serial.println(WiFi.localIP()); /** * Main program loop */ void loop() if((millis() - oldtime) > 1000) // Only process counters once per second // Disable the interrupt while calculating flow rate and sending the value to // the host 55

5 detachinterrupt(sensorinterrupt); // Because this loop may not complete in exactly 1 second intervals we calculate // the number of milliseconds that have passed since the last execution and use // that to scale the output. We also apply the calibrationfactor to scale the output // based on the number of pulses per second per units of measure (litres/minute in // this case) coming from the sensor. flowrate = (( / (millis() - oldtime)) * pulsecount) / calibrationfactor; // Note the time this processing pass was executed. Note that because we've // disabled interrupts the millis() function won't actually be incrementing right // at this point, but it will still return the value it was set to just before // interrupts went away. oldtime = millis(); // Divide the flow rate in litres/minute by 60 to determine how many litres have // passed through the sensor in this 1 second interval, then multiply by 1000 to // convert to millilitres. flowmillilitres = (flowrate / 60) * 1000; // Add the millilitres passed in this second to the cumulative total totalmillilitres += flowmillilitres; unsigned int frac; // Print the flow rate for this second in litres / minute Serial.print("Flow rate: "); Serial.print(int(flowRate)); // Print the integer part of the variable Serial.print("."); // Print the decimal point 56

6 // Determine the fractional part. The 10 multiplier gives us 1 decimal place. frac = (flowrate - int(flowrate)) * 10; Serial.print(frac, DEC) ; // Print the fractional part of the variable Serial.print("L/min"); // Print the number of litres flowed in this second Serial.print(" Current Liquid Flowing: "); // Output separator Serial.print(flowMilliLitres); Serial.print("mL/Sec"); // Print the cumulative total of litres flowed since starting Serial.print(" Output Liquid Quantity: "); // Output separator Serial.print(totalMilliLitres); Serial.println("mL"); // Listenning for new clients WiFiClient client = server.available(); if (client) Serial.println("New client"); // bolean to locate when the http request ends boolean blank_line = true; while (client.connected()) if (client.available()) char c = client.read(); if (c == '\n' && blank_line) // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor) //float capacity = dht.readhumidity(); client.println("http/ OK"); 57

7 client.println("content-type: text/html"); client.println("connection: close"); client.println("refresh: 5"); client.println(); // Web Page Script client.println("<!doctype HTML>"); client.println("<html>"); client.println("<head></head><body><h1>esp MICROCONTROLLER WEMOS PAGE</h1>"); client.println("</h3><h3>perancangan ALAT PENDETEKSI KEBOCORAN VIA WEB SERVER "); client.println("</h3><h3>nama : Ilham Septian H "); client.println("</h3><h3>nim : "); client.println("</h3><h3>jurusan : Teknik Elektro "); client.println("</br></br></br>"); client.println("</h3><h3>nilai Kecepatan Rata-rata Aliran Air = "); client.println(flowrate); client.println(" Liter / Detik"); client.println("</h3><h3>nilai Kecepatan Aliran Air Saat Ini = "); client.println(flowmillilitres); client.println(" mililiter / Detik"); client.println("</h3><h3>total Volume Air Mengalir = "); client.println(totalmillilitres); client.println(" mililiter"); client.println("</body></html>"); break; if (c == '\n') 58

8 // when starts reading a new line blank_line = true; else if (c!= '\r') // when finds a character on the current line blank_line = false; // closing the client connection delay(1); client.stop(); Serial.println("Client disconnected."); // Reset the pulse counter so we can start incrementing again pulsecount = 0; // Enable the interrupt again now that we've finished sending output attachinterrupt(sensorinterrupt, pulsecounter, FALLING); /* Insterrupt Service Routine */ void pulsecounter() // Increment the pulse counter pulsecount++; 59