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función básica de LCD con info del sensor de temperatura 

primera prueba del LCD
This commit is contained in:
Sergio Álvarez 2016-02-14 13:13:03 +01:00
parent a343cfdebf
commit a28b1ec400
2 changed files with 101 additions and 26 deletions
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50
sketch_feb13b_DHT11_temp_hum/sketch_feb13b_DHT11_temp_hum.ino
View File

@ -8,37 +8,37 @@ DHT dht(DHT_APin, DHT_Type);
int ledPin = 13; int ledPin = 13;
void setup() { // put your setup code here, to run once: void setup() { // put your setup code here, to run once:
Serial.begin(9600); Serial.begin(9600);
dht.begin(); dht.begin();
pinMode(ledPin, OUTPUT); pinMode(ledPin, OUTPUT);
} }
void loop() { // put your main code here, to run repeatedly: void loop() { // put your main code here, to run repeatedly:
delay(60000); // 1 minuto delay(60000); // 1 minuto
// Reading temperature or humidity takes about 250 milliseconds! // Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor) // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
float h = dht.readHumidity(); float h = dht.readHumidity();
float t = dht.readTemperature(); // lectura en Celsius, readTemperature(true) para Fahrenheit float t = dht.readTemperature(); // lectura en Celsius, readTemperature(true) para Fahrenheit
if (isnan(h) || isnan(t)) { if (isnan(h) || isnan(t)) {
Serial.println("E"); // E = error, para el script en python que lee Serial.println("E"); // E = error, para el script en python que lee
return; return;
} }
// Compute heat index in Celsius (isFahreheit = false) // Compute heat index in Celsius (isFahreheit = false)
float hic = dht.computeHeatIndex(t, h, false); // sensación térmica float hic = dht.computeHeatIndex(t, h, false); // sensación térmica
// D = DHT, para el script en python que leerá esto // D = DHT, para el script en python que leerá esto
Serial.print("D h:"); Serial.print("D h:");
Serial.print(h); Serial.print(h);
Serial.print(" t:"); Serial.print(" t:");
Serial.print(t); Serial.print(t);
Serial.print(" i:"); Serial.print(" i:");
Serial.print(hic); Serial.print(hic);
Serial.println(""); Serial.println("");
digitalWrite(ledPin, HIGH); digitalWrite(ledPin, HIGH);
delay(100); delay(100);
digitalWrite(ledPin, LOW); digitalWrite(ledPin, LOW);
} }

75
sketch_lcd/sketch_lcd.ino Normal file
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@ -0,0 +1,75 @@
// https://www.arduino.cc/en/Reference/LiquidCrystal
// https://www.youtube.com/watch?v=dZZynJLmTn8
// http://howtomechatronics.com/tutorials/arduino/lcd-tutorial/
#include <DHT.h>
#include <LiquidCrystal.h>
#define DHT_APin A0 // Pin Análogico al que he conectado el sensor
#define DHT_Type DHT11 // mi sensor es el DHT11
// init
DHT dht(DHT_APin, DHT_Type);
LiquidCrystal lcd(9, 10, 4, 5, 6, 7); // syntax: LiquidCrystal(rs, enable, d4, d5, d6, d7)
// defs
int ledPin = 13;
void setup() { // put your setup code here, to run once:
Serial.begin(9600);
dht.begin();
lcd.begin(16, 2);
pinMode(ledPin, OUTPUT);
lcd.print(" hue hue");
lcd.setCursor(0, 2);
lcd.print(" boot");
delay(500);
lcd.print(".");
delay(500);
lcd.print(".");
delay(500);
lcd.print(".");
delay(1000);
}
void loop() { // put your main code here, to run repeatedly:
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
float h = dht.readHumidity();
float t = dht.readTemperature(); // lectura en Celsius, readTemperature(true) para Fahrenheit
if (isnan(h) || isnan(t)) {
Serial.println("E"); // E = error, para el script en python que lee
return;
}
// Compute heat index in Celsius (isFahreheit = false)
float hic = dht.computeHeatIndex(t, h, false); // sensación térmica
// D = DHT, para el script en python que leerá esto
Serial.print("D h:");
Serial.print(h);
Serial.print(" t:");
Serial.print(t);
Serial.print(" i:");
Serial.print(hic);
Serial.println("");
lcd.clear();
lcd.print(t);
lcd.print("C ");
lcd.print(h);
lcd.print("%");
lcd.setCursor(0, 2);
lcd.print(hic);
lcd.print("C");
digitalWrite(ledPin, HIGH);
delay(100);
digitalWrite(ledPin, LOW);
delay(60000); // 1 minuto
}