Code:
#include <LoRa.h>
#include <SPI.h>
#include <Wire.h>
#include <Bonezegei_SSD1306.h>
Bonezegei_SSD1306 oled(128, 64);
#define ss 41
#define rst 2
#define dio0 40
#include "Arduino.h"
#define ANALOG_A1 4
#define ANALOG_A2 6
#define ANALOG_A3 5
#define ANALOG_A4 7
const int Relay1 = 48;
const int K1 = 47;
const int K2 = 21;
const int K3 = 14;
const int K4 = 13;
const int K5 = 12;
const int K6 = 11;
const int K7 = 10;
const int K8 = 9;
const int IO0 = 0; //GPIO0
const int DI1 = 16; //DI
const int DI2 = 15; //1-wire
void setup()
{
SPI.begin(42, 43, 44, 41); //SPI.begin(PIN_SPI_SCK, PIN_SPI_MISO, PIN_SPI_MOSI, -1); last one is SS not used, use -1
Wire.begin(39, 38);
oled.begin();
oled.clear();
// oled.drawText(1, 0, "Arial8", oled.Font_Arial8);
oled.drawText(1, 0, "KinCony", oled.Font_Arial14);
// oled.drawText(1, 24, "Arial12", oled.Font_Arial12);
// oled.drawText(1, 40, "Arial14", oled.Font_Arial14);
oled.draw(); //update the screen
Serial.begin(115200);
Serial.println("begin");
LoRa.setPins(ss, rst, dio0); //setup LoRa transceiver module
while (!LoRa.begin(433E6)) //433E6 - Asia, 866E6 - Europe, 915E6 - North America
{
Serial.println(".");
delay(500);
}
LoRa.setSyncWord(0xA5);
Serial.println("LoRa Initializing OK!");
pinMode(Relay1,OUTPUT);
pinMode(K1,INPUT);
pinMode(K2,INPUT);
pinMode(K3,INPUT);
pinMode(K4,INPUT);
pinMode(K5,INPUT);
pinMode(K6,INPUT);
pinMode(K7,INPUT);
pinMode(K8,INPUT);
pinMode(DI1,INPUT);
pinMode(DI2,INPUT);
pinMode(IO0,INPUT);
pinMode(ANALOG_A1,INPUT);
pinMode(ANALOG_A2,INPUT);
pinMode(ANALOG_A3,INPUT);
pinMode(ANALOG_A4,INPUT);
digitalWrite(Relay1, HIGH);
}
void loop()
{
uint8_t valk1 = digitalRead(K1);
uint8_t valk2 = digitalRead(K2);
uint8_t valk3 = digitalRead(K3);
uint8_t valk4 = digitalRead(K4);
uint8_t valk5 = digitalRead(K5);
uint8_t valk6 = digitalRead(K6);
uint8_t valk7 = digitalRead(K7);
uint8_t valk8 = digitalRead(K8);
uint8_t valdi1 = digitalRead(DI1);
uint8_t valdi2 = digitalRead(DI2);
uint8_t valIO0 = digitalRead(IO0);
if (valdi1==LOW) digitalWrite(Relay1, HIGH); else digitalWrite(Relay1, LOW);
if (digitalRead(DI2)==LOW)Serial.println("input2 down");
if (digitalRead(IO0)==LOW)Serial.println("DL Button down");
if (digitalRead(K1)==LOW)Serial.println("K1 down");
if (digitalRead(K2)==LOW)Serial.println("K2 down");
if (digitalRead(K3)==LOW)Serial.println("K3 down");
if (digitalRead(K4)==LOW)Serial.println("K4 down");
if (digitalRead(K5)==LOW)Serial.println("K5 down");
if (digitalRead(K6)==LOW)Serial.println("K6 down");
if (digitalRead(K7)==LOW)Serial.println("K7 down");
if (digitalRead(K8)==LOW)Serial.println("K8 down");
//-------------------------------------
if (analogRead(ANALOG_A1)>0) Serial.printf("Current Reading A1 on Pin(%d)=%d\n",ANALOG_A1,analogRead(ANALOG_A1));
if (analogRead(ANALOG_A2)>0) Serial.printf("Current Reading A2 on Pin(%d)=%d\n",ANALOG_A2,analogRead(ANALOG_A2));
if (analogRead(ANALOG_A3)>0) Serial.printf("Current Reading A3 on Pin(%d)=%d\n",ANALOG_A3,analogRead(ANALOG_A3));
if (analogRead(ANALOG_A4)>0) Serial.printf("Current Reading A4 on Pin(%d)=%d\n",ANALOG_A4,analogRead(ANALOG_A4));
//---------------------------------------
int packetSize = LoRa.parsePacket(); // try to parse packet
if (packetSize)
{
Serial.print("Received packet '");
while (LoRa.available()) // read packet
{
String LoRaData = LoRa.readString();
Serial.print(LoRaData);
oled.begin();
oled.clear();
oled.drawText(1, 0, LoRaData.c_str(), oled.Font_Arial14);
String temp=String(LoRa.packetRssi());
oled.drawText(1, 40, temp.c_str(), oled.Font_Arial14);
oled.draw(); //update the screen
}
Serial.print("' with RSSI "); // print RSSI of packet
Serial.println(LoRa.packetRssi());
}
}
![[Image: ESP32-LoRa-1.jpg]](https://www.kincony.com/images/ALR/ESP32-LoRa-1.jpg)
![[Image: ALR_diagram.jpg]](https://www.kincony.com/images/ALR/ALR_diagram.jpg)
MQTT M16v2