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prep lesson 53

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Tom Nordal 2 years ago
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6301b43c70
  1. 57
      Sensors/src/main.cpp

57
Sensors/src/main.cpp

@ -1,70 +1,15 @@
// https://www.youtube.com/watch?v=-AvF2TsB2GI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=50 // https://www.youtube.com/watch?v=M-UKXCUI0rE&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=53
// https://www.youtube.com/watch?v=ep7uBz43fCI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=51
#include <Arduino.h> #include <Arduino.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
// #include <DHT_U.h>
#include <LiquidCrystal.h>
const int rs = 7, en = 8, d4 = 9, d5 = 10, d6 = 11, d7 = 12;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
#define DHTTYPE DHT11
#define DHTPIN 2
DHT dht(DHTPIN, DHTTYPE);
float humidity;
float tempC;
float tempF;
int setTime = 500;
int dt = 1000;
void setup() { void setup() {
// put your setup code here, to run once: // put your setup code here, to run once:
Serial.begin(9600); Serial.begin(9600);
Serial.println("DHT11 test!");
dht.begin();
delay(setTime);
lcd.begin(16, 2);
lcd.print("Hello, World!");
} }
void loop() { void loop() {
// put your main code here, to run repeatedly: // put your main code here, to run repeatedly:
humidity = dht.readHumidity();
tempC = dht.readTemperature();
tempF = dht.readTemperature(true);
Serial.print("Humidity: ");
Serial.print(humidity);
Serial.print(" Temperature: ");
Serial.print(tempC);
Serial.print(" *C ");
Serial.print(tempF);
Serial.println(" *F");
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Humidity: ");
lcd.print(humidity);
lcd.print("%");
lcd.setCursor(0, 1);
lcd.print("Temp: ");
lcd.print(tempC);
lcd.print("oC ");
delay(dt);
lcd.clear();
} }

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