HELTEC   TRASMISSIONE E RICEZIONE  DHT11  e ULTRASUONI

Programma completo di TRASMISSIONE  e RICEZIONE  dati:

MODULO  TRASMITTENTE:(Supporto stampato con l'ANYCUBIC Mega S)

 Programma completo di TRASMISSIONE DATI:

#include "heltec.h"

#include "Ultrasonic.h"

Ultrasonic ultrasonic(12,13);// 12 Trigg. e 13 Echo

int distanza;

int cont =0;

#include "DHT.h"

//Uso del PIN 17 dell’ ESP32 dell’Heltec

#define DHTPIN 17

#define DHTTYPE DHT11

//creatae una instanza del sensore DHT11 

DHT dht(DHTPIN, DHTTYPE);

#define BAND    433E6 

void setup () {

dht.begin();

Heltec.begin(true, true, true, true, BAND);

Serial.begin(9600);

LoRa.setTxPower(20,RF_PACONFIG_PASELECT_PABOOST);// MAX POTENZA

}

void loop () {

float h = dht.readHumidity();

float t = dht.readTemperature();

delay(4000);

distanza=ultrasonic.read();

  Heltec.display->clear();

  Heltec.display->setTextAlignment(TEXT_ALIGN_LEFT);

  Heltec.display->setFont(ArialMT_Plain_10);

  Heltec.display->drawString(0, 0, "Giardino Flora Appenninica");

  Heltec.display->drawString(0, 12, "    C A P R A C O T T A  ");

  Heltec.display->drawString(0, 26, "Dist. cm. ");

  Heltec.display->drawString(42, 26, String(distanza));

  Heltec.display->drawString(76, 26, "Cnt.");

  Heltec.display->drawString(102, 26, String(cont));

  Heltec.display->drawString(0, 40, "Temp. Gradi: ");

  Heltec.display->drawString(96, 40, String(t));

  Heltec.display->drawString(0, 54, "Umidità’ %: ");

  Heltec.display->drawString(96, 54, String(h));

  Heltec.display->display();

 //***************************************

LoRa.beginPacket();

LoRa.print(( "Dist. cm. ")+String(distanza)+("    "));

LoRa.println(("cont. ")+String(cont));

LoRa.println(("Temp. Gradi           ")+String(t));

LoRa.println(("Umidità %               ")+String(h));

LoRa.endPacket();

//******************************************

digitalWrite(25, HIGH);

delay(400);

digitalWrite(25, LOW);

delay(400);

cont++;

}

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MODULO  RICEVENTE:(Supporto stampato con l'ANYCUBIC Mega S)

 Programma completo di RICEZIONE DATI:

#include "heltec.h"

 #define BAND  433E6

String DATI;

void setup () {

Serial.begin(115200);

Heltec.begin(true, true, true, true, BAND);

//LoRa.setTxPower(20,RF_PACONFIG_PASELECT_PABOOST);// MAX POTENZA

}

 void loop () {

int packetSize = LoRa.parsePacket();

 if(packetSize) {

Serial.print("Dato ricevuto ");

 while(LoRa.available ()) {

DATI = LoRa.readString ();

Serial.println(DATI);

Heltec.display->clear();

Heltec.display->setTextAlignment(TEXT_ALIGN_LEFT);

Heltec.display->setFont(ArialMT_Plain_10);

Heltec.display->drawString(0, 0, "Giardino Flora Appenninica");

Heltec.display->drawString(0, 12, "    C A P R A C O T T A  ");

Heltec.display->drawString(0, 26,DATI);

Heltec.display->display();

}

}

digitalWrite(25, HIGH);

delay(200);

digitalWrite(25, LOW);

delay(1000);

}