Module yang dibutuhkan :
1x Module LCD Nokia 5110/3310 for Arduino1x Sensor DHT11 (+Breakout board)
1x Sensor Dallas DS1802b
beberapa pcs kabel jumper dupont male to female
Breadboard (optional)
Library yang dibutuhkan :
#include <SPI.h> // Sudah bawaan Arduino IDE tidak perlu download lagi#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
Library dht11.h download disini.
Library OneWire.h download disini.
Library DallasTemperature.h download disini.
Ekstrak dan masukan semua library yang dibutuhkan diatas kedalam folder Libraries yang ada di Arduino Folder Installer.
win64bit : C:\Program Files (x86)\Arduino\libraries\
win32bit : C:\Program Files\Arduino\libraries\
Wiring :
LCD Nokia5110 to Arduino-RST --> D3
-CE / CS --> D4
-DC --> D5
-Din --> D6
-Clk / Sck --> D7
-Vcc --> pin 3.3V Arduino
-BL --> pin D9 Arduino
-Gnd --> pin GND Arduino
DHT11 to Arduino
-GND --> pin GND Arduino
-VCC --> pin 5V Arduino
-Data --> pin D2 Arduino
Dallas DS1802b to Arduino
-GND --> pin GND Arduino
-VCC --> pin 5V Arduino
-Signal --> pin D10 Arduino
Sourche Code :
//Celsius to Fahrenheit conversion double Fahrenheit(double celsius) {return 1.8 * celsius + 32;} //int Celcius2Fahrenheit(int celcius) //{return (celsius * 18 + 5)/10 + 32;} //Celsius to Kelvin conversion double Kelvin(double celsius) {return celsius + 273.15;} // dewPoint function NOAA // reference: http://wahiduddin.net/calc/density_algorithms.htm double dewPoint(double celsius, double humidity) { double RATIO = 373.15 / (273.15 + celsius); // RATIO was originally named A0, possibly confusing in Arduino context double SUM = -7.90298 * (RATIO - 1); SUM += 5.02808 * log10(RATIO); SUM += -1.3816e-7 * (pow(10, (11.344 * (1 - 1/RATIO ))) - 1) ; SUM += 8.1328e-3 * (pow(10, (-3.49149 * (RATIO - 1))) - 1) ; SUM += log10(1013.246); double VP = pow(10, SUM - 3) * humidity; double T = log(VP/0.61078); // temp var return (241.88 * T) / (17.558 - T); } // delta max = 0.6544 wrt dewPoint() // 5x faster than dewPoint() // reference: http://en.wikipedia.org/wiki/Dew_point double dewPointFast(double celsius, double humidity) { double a = 17.271; double b = 237.7; double temp = (a * celsius) / (b + celsius) + log(humidity/100); double Td = (b * temp) / (a - temp); return Td; } #include <dht11.h> dht11 DHT11; #define DHT11PIN 2 #include <OneWire.h> #include <DallasTemperature.h> // Data wire is plugged into port 2 on the Arduino #define ONE_WIRE_BUS 10 OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); #include <Adafruit_GFX.h> #include <Adafruit_PCD8544.h> // pin 7 - Serial clock out (SCLK) // pin 6 - Serial data out (DIN) // pin 5 - Data/Command select (D/C) // pin 4 - LCD chip select (CS) // pin 3 - LCD reset (RST) Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3); #define Backlight_Pin 9 void setup() { Serial.begin(9600); Serial.println("DHT11 DS18B20 temperature"); Serial.print("DHT11 LIBRARY VERSION: "); Serial.println(DHT11LIB_VERSION); Serial.println(); // DS18B20 sensors.begin(); // Nokia 5110 display display.begin(); // you can change the contrast around to adapt the display // for the best viewing! display.setContrast(50); pinMode(Backlight_Pin, OUTPUT); pinMode(0, INPUT); Serial.print("Backlight "); Serial.println(analogRead(0)); display.clearDisplay(); display.setTextSize(1); display.setTextColor(BLACK); display.setCursor(0,0); display.println("Ready"); display.display(); } float dht11_temperature = 0; float dht11_humidity = 0; float ds18b20_temperature = 0; #define TEMP_SIZE LCDWIDTH float temp[TEMP_SIZE] = {0.0}; int temp_pos = 0; // position in circular buffer above void loop() { Serial.println("\n"); int chk = DHT11.read(DHT11PIN); Serial.print("DHT11 Read sensor: "); switch (chk) { case DHTLIB_OK: Serial.println("OK"); break; case DHTLIB_ERROR_CHECKSUM: Serial.println("Checksum error"); break; case DHTLIB_ERROR_TIMEOUT: Serial.println("Time out error"); break; default: Serial.println("Unknown error"); break; } dht11_humidity = (float)DHT11.humidity; Serial.print("Humidity (%): "); Serial.println(dht11_humidity, 2); dht11_temperature = (float)DHT11.temperature; Serial.print("Temperature (oC): "); Serial.println(dht11_temperature, 2); Serial.print("Temperature (oF): "); Serial.println(Fahrenheit(DHT11.temperature), 2); Serial.print("Temperature (K): "); Serial.println(Kelvin(DHT11.temperature), 2); Serial.print("Dew Point (oC): "); Serial.println(dewPoint(DHT11.temperature, DHT11.humidity)); Serial.print("Dew PointFast (oC): "); Serial.println(dewPointFast(DHT11.temperature, DHT11.humidity)); Serial.print("DS18B20 Requesting temperatures..."); sensors.requestTemperatures(); // Send the command to get temperatures Serial.println("DONE"); sensors.requestTemperatures(); // Send the command to get temperatures Serial.print("Temperature for the device 1 (index 0) is: "); ds18b20_temperature = sensors.getTempCByIndex(0); Serial.println(ds18b20_temperature); temp[temp_pos] = ds18b20_temperature; display.clearDisplay(); display.setCursor(0,0); display.print(dht11_temperature, 0); display.print("C "); display.print(dht11_humidity, 0); display.print("% "); display.print(ds18b20_temperature, 1); display.print("C"); float min = temp[0], max = temp[0]; for(int i = 0; i < TEMP_SIZE; i++) { // Serial.print(temp[i]); // Serial.print(" "); if (temp[i] < min && temp[i] > 0) min = temp[i]; if (temp[i] > max) max = temp[i]; } Serial.println(); Serial.print("temperature range "); Serial.print(min); Serial.print("-"); Serial.println(max); // draw right to left so most recent value is on the right for(int x = TEMP_SIZE - 1; x >= 0; x--) { int pos = ( x + temp_pos + 1 ) % TEMP_SIZE; if ( temp[pos] > 0 ) { int y = ( ( temp[pos] - min ) / ( max - min ) ) * ( LCDHEIGHT - 10 ); display.drawLine(x, LCDHEIGHT - y, x, LCDHEIGHT, BLACK); // display.drawPixel(x,y + 10, BLACK); // Serial.print(temp[pos],2); // Serial.print(" "); } } Serial.println(); // refresh LCD display.display(); // pulse display backlight int backlight = 0; float old_temp = temp[(temp_pos + TEMP_SIZE - 1) % TEMP_SIZE]; if ( ds18b20_temperature < old_temp ) { backlight = 32; } else if ( ds18b20_temperature > old_temp ) { backlight = 255; } analogWrite(Backlight_Pin, backlight); delay(2000); if ( ++temp_pos > TEMP_SIZE ) temp_pos = 0; }
0 komentar:
Posting Komentar