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Kód: Vybrat vše

#include <Arduino.h>
#include <Wire.h>

#include <BMP180I2C.h>
#include <LiquidCrystal_I2C.h>
#define I2C_ADDRESS 0x77

//create an BMP180 object using the I2C interface
BMP180I2C bmp180(I2C_ADDRESS);
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  // put your setup code here, to run once:
        Serial.begin(9600);

        //wait for serial connection to open (only necessary on some boards)
        while (!Serial);

        Wire.begin();
  lcd.init();
  lcd.backlight();


        //begin() initializes the interface, checks the sensor ID and reads the calibration parameters.
        if (!bmp180.begin())
        {
                Serial.println("begin() failed. check your BMP180 Interface and I2C Address.");
                while (1);
        }

        //reset sensor to default parameters.
        bmp180.resetToDefaults();

        //enable ultra high resolution mode for pressure measurements
        bmp180.setSamplingMode(BMP180MI::MODE_UHR);
}


void loop() {

  // put your main code here, to run repeatedly:

        delay(1000);

        //start a temperature measurement
        if (!bmp180.measureTemperature())
        {
                Serial.println("could not start temperature measurement, is a measurement already running?");
                return;
        }

        //wait for the measurement to finish. proceed as soon as hasValue() returned true.
        do
        {
                delay(100);
        } while (!bmp180.hasValue());

        Serial.print("Temperature: ");
        Serial.print(bmp180.getTemperature());
        Serial.println(" degC");

        //start a pressure measurement. pressure measurements depend on temperature measurement, you should only start a pressure
        //measurement immediately after a temperature measurement.
        if (!bmp180.measurePressure())
        {
                Serial.println("could not start perssure measurement, is a measurement already running?");
                return;
        }

        //wait for the measurement to finish. proceed as soon as hasValue() returned true.
        do
        {
                delay(100);
        } while (!bmp180.hasValue());

        Serial.print("Pressure: ");
        Serial.print(bmp180.getPressure());
        Serial.println(" Pa");



  lcd.setCursor(0, 0);
  lcd.print("Teplota:");
  lcd.setCursor(9, 0);
  lcd.print((bmp180.getTemperature() ));
  lcd.setCursor(16, 0);
  lcd.print("degC");
  lcd.setCursor(0, 1);
  lcd.print("Tlak:");
  lcd.setCursor(6, 1);
  lcd.print((bmp180.getPressure()));
  lcd.setCursor(16, 1);
  lcd.print("Pa");
}

Kód: Vybrat vše

#include "DHTesp.h"

#ifdef ESP32
#pragma message(THIS EXAMPLE IS FOR ESP8266 ONLY!)
#error Select ESP8266 board.
#endif

DHTesp dht;

void setup()
{
  Serial.begin(9600);
  Serial.println();
  Serial.println("Status\tHumidity (%)\tTemperature (C)\t(F)\tHeatIndex (C)\t(F)");
  String thisBoard= ARDUINO_BOARD;
  Serial.println(thisBoard);

  // Autodetect is not working reliable, don't use the following line
  // dht.setup(17);
  // use this instead:
  dht.setup(D13, DHTesp::DHT22); // Connect DHT sensor to GPIO 17
}

void loop()
{
  delay(dht.getMinimumSamplingPeriod());

  float humidity = dht.getHumidity();
  float temperature = dht.getTemperature();

  Serial.print(dht.getStatusString());
  Serial.print("\t");
  Serial.print(humidity, 1);
  Serial.print("\t\t");
  Serial.print(temperature, 1);
  Serial.print("\t\t");
  Serial.print(dht.toFahrenheit(temperature), 1);
  Serial.print("\t\t");
  Serial.print(dht.computeHeatIndex(temperature, humidity, false), 1);
  Serial.print("\t\t");
  Serial.println(dht.computeHeatIndex(dht.toFahrenheit(temperature), humidity, true), 1);
}

Kód: Vybrat vše

#include "DHTesp.h"

#ifdef ESP32
#pragma message(THIS EXAMPLE IS FOR ESP8266 ONLY!)
#error Select ESP8266 board.
#endif

DHTesp dht;
int Teplota[] = dht.getTemperature(); //String data

void setup() {
  // Begin the Serial at 9600 Baud
  Serial.begin(9600);
}

void loop() {
  Serial.write(Teplota); //Write the serial data
  delay(1000);
}

Kód: Vybrat vše

char Teplota[10]; //Initialized variable to store recieved data

void setup() {
  // Begin the Serial at 9600 Baud
  Serial.begin(9600);
}

void loop() {
  Serial.readBytes(mystr,5); //Read the serial data and store in var
  Serial.println(mystr); //Print data on Serial Monitor
  delay(1000);
}

Kód: Vybrat vše

char inString[32];
int inCount;

void loop()
{
    inCount = 0;

    while (Serial.available() > 0)
    {
        inString[inCount] = Serial.read();
        delay(10);
        if (inString[inCount] == '\0') break;
        inCount++;
    }

    inString[inCount] = '\0';

    if (inCount > 0) {

        String MyString = inString;
        MyString.trim();
//-------------------------------------------------------------------------------------------
// a pak třeba
    if (MyString == "A001_rele0")  
    {
    }
   }