123 lines
2.8 KiB
C++
123 lines
2.8 KiB
C++
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/*
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LCD:
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https://www.arduino.cc/en/Reference/LiquidCrystal
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https://www.youtube.com/watch?v=dZZynJLmTn8
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https://www.youtube.com/watch?v=R-CRIthB7ZY
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http://howtomechatronics.com/tutorials/arduino/lcd-tutorial/
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DHT (temp & hum)
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https://github.com/adafruit/DHT-sensor-library/blob/master/examples/DHTtester/DHTtester.ino
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Photoresistor
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https://learn.adafruit.com/photocells/using-a-photocell
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https://arduinodiy.wordpress.com/2013/11/03/measuring-light-with-an-arduino/
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*/
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#include <DHT.h>
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#include <LiquidCrystal.h>
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#define DHT_APin A0 // Pin Análogico al que he conectado el sensor de temperatura
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#define DHT_Type DHT22 // mi sensor es el DHT11
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#define PHOTORES_APin A2 // Pin Análogico al que he conectado el sensor de luz
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// init
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DHT dht(DHT_APin, DHT_Type);
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LiquidCrystal lcd(9, 10, 4, 5, 6, 7); // syntax: LiquidCrystal(rs, enable, d4, d5, d6, d7)
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int timer = 0;
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int milis = 0;
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int ticks = 0;
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int luz = 0;
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void setup() { // put your setup code here, to run once:
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Serial.begin(9600);
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dht.begin();
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lcd.begin(16, 2);
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lcd.print(" hue hue hue ");
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}
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void loop() { // put your main code here, to run repeatedly:
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timer = 59 - ((millis() / 1000) % 60);
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if (timer == ticks) {
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return;
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}
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ticks = timer;
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luz = analogRead(PHOTORES_APin);
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if (timer == 59) {
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// Reading temperature or humidity takes about 250 milliseconds!
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// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
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float h = dht.readHumidity();
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float t = dht.readTemperature(); // lectura en Celsius, readTemperature(true) para Fahrenheit
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if (isnan(h) || isnan(t)) {
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Serial.println("E"); // E = error, para el script en python que lee
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return;
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}
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// Compute heat index in Celsius (isFahreheit = false)
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float hic = dht.computeHeatIndex(t, h, false); // sensación térmica
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// D = DHT, para el script en python que leerá esto
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Serial.print("D h:");
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Serial.print(h);
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Serial.print(" t:");
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Serial.print(t);
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Serial.print(" i:");
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Serial.print(hic);
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Serial.print(" lv:");
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Serial.print(luz);
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Serial.print(" lx:");
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Serial.print(Lux(luz));
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Serial.println("");
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lcd.clear();
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lcd.print(t);
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lcd.print("C ");
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lcd.print(h);
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lcd.print("%");
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lcd.setCursor(0, 2);
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lcd.print(hic);
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lcd.print("C");
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digitalWrite(13, HIGH);
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delay(100);
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digitalWrite(13, LOW);
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}
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lcd.setCursor(10, 2);
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lcd.print(luz);
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lcd.setCursor(14, 2);
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if (timer < 10)
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lcd.print(0);
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lcd.print(timer);
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delay(100);
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}
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double Lux(int RawADC0) {
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double Vout = RawADC0 * 0.0048828125;
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//int lux=500/(10*((5-Vout)/Vout));//use this equation if the LDR is in the upper part of the divider
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double lux = (2500 / Vout-500) / 10;
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return lux;
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}
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/* GRAFANA:
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SELECT (2500 / (mean("avg") * 0.0048828125) - 500) / 10,
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(2500 / (min("min") * 0.0048828125) - 500) / 10,
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(2500 / (max("max") * 0.0048828125) - 500) / 10
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FROM "luminosidad"
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WHERE $timeFilter
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GROUP BY time(2m)
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*/ |