LoRa_Initialize_Test

// test connection between ESP#@ and LoRa-02 module

#include <SPI.h>
#include <RH_RF95.h>

#define RFM95_CS 4       //NSS
#define RFM95_RST 5     //Reset
#define RFM95_INT 2     //DIO0

//Change to 433.0 or other frequency, must match RX's freq!
#define RF95_FREQ 433.0

//Singleton instance of the radio driver
RH_RF95 rf95(RFM95_CS, RFM95_INT);

void setup(){
  pinMode(RFM95_RST, OUTPUT);
  digitalWrite(RFM95_RST, HIGH);

  Serial.begin(115200);
    while (!Serial);

  delay(100);

  //Manual Reset
  digitalWrite(RFM95_RST, LOW);
  delay(10);
  digitalWrite(RFM95_RST, HIGH);
  delay(10);

  while (!rf95.init()) {
    Serial.println(">> LoRa radio initialization failed.");
    while (1);
  }

  //Defaults after init are 433.0MHz, modulation GFSK_Rb250Fd250, +13dbM
  if (!rf95.setFrequency(RF95_FREQ)) {
    Serial.println(">> Set frequency failed.");
    while (1);
  }

  rf95.setTxPower(18);
  Serial.println(">> LoRa radio initialized successfully.");
}

void loop()
{
  delay(1000);
}