#include // Comes with Arduino IDE #include LiquidCrystal_I2C lcd(0x20, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address void setup() { Serial.begin(9600); lcd.begin(20,4); for(int i = 0; i< 3; i++) { lcd.backlight(); delay(250); lcd.noBacklight(); delay(250); } lcd.backlight(); lcd.setCursor(3,0); lcd.print("Hello, world!"); delay(1000); lcd.setCursor(2,1); lcd.print("From YourDuino"); delay(1000); lcd.setCursor(0,2); lcd.print("20 by 4 Line Display"); lcd.setCursor(0,3); delay(2000); lcd.print("http://YourDuino.com"); delay(8000); lcd.setCursor(0,0); lcd.print("Start Serial Monitor"); lcd.setCursor(0,1); lcd.print("Type chars 2 display"); void loop() { { if (Serial.available()) { delay(100); lcd.clear(); while (Serial.available() > 0) { lcd.write(Serial.read()); } } } }
#include// Comes with Arduino IDE #include LiquidCrystal_I2C lcd(0x20, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address
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lcd.begin(20,4);
for(int i = 0; i< 3; i++)
{
lcd.backlight();
delay(250);
lcd.noBacklight();
delay(250);
}
lcd.backlight();
lcd.setCursor(3,0); lcd.print(emontx.power1);
#include "EmonLib.h" EnergyMonitor ct1,ct2,ct3; #include// Comes with Arduino IDE #include const int LEDpin = 9; LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address void setup() { lcd.begin(20,4); // initialize the lcd for 20 chars 4 lines and turn on backlight lcd.backlight(); // finish with backlight on lcd.setCursor(3,0); //Start at character 4 on line 0 lcd.print("Hello, peggy !"); delay(1000); Serial.begin(9600); // while (!Serial) {} // wait for serial port to connect. Needed for Leonardo only Serial.println("emonTX Shield CT123 Voltage Serial Only example"); Serial.println("OpenEnergyMonitor.org"); // Calibration factor = CT ratio / burden resistance = (100A / 0.05A) / 33 Ohms = 60.606 ct1.current(1, 60.606); ct2.current(2, 60.606); ct3.current(3, 60.606); // (ADC input, calibration, phase_shift) ct1.voltage(0, 206.26, 1.7); ct2.voltage(0, 206.26, 1.7); ct3.voltage(0, 206.26, 1.7); // Setup indicator LED pinMode(LEDpin, OUTPUT); digitalWrite(LEDpin, HIGH); } void loop() { // Calculate all. No.of crossings, time-out ct1.calcVI(20,2000); ct2.calcVI(20,2000); ct3.calcVI(20,2000); // Print power Serial.print(ct1.realPower); Serial.print(" "); Serial.print(ct2.realPower); Serial.print(" "); Serial.print(ct3.realPower); Serial.print(" "); Serial.print(ct1.Vrms); Serial.println(); lcd.setCursor(3,0); //Start at character 4 on line 0 lcd.print("Hello, peggy !"); delay(1000); lcd.setCursor(3,0); //Start at character 4 on line 0 lcd.print(ct1.realPower ); delay(5000); }
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