senddata.ino

#include <TheThingsNetwork.h>

// Set your AppEUI and AppKey
const char *appEui = "0000000000000000";
const char *appKey = "00000000000000000000000000000000";

#define loraSerial Serial1
#define debugSerial Serial

// Replace REPLACE_ME with TTN_FP_EU868 or TTN_FP_US915
#define freqPlan TTN_FP_EU868

TheThingsNetwork ttn(loraSerial, debugSerial, freqPlan);

void setup()
{
  loraSerial.begin(57600);
  debugSerial.begin(9600);

  // Wait a maximum of 10s for Serial Monitor
  while (!debugSerial && millis() < 10000)
    ;

  debugSerial.println("-- STATUS");
  ttn.showStatus();

  debugSerial.println("-- JOIN");
  ttn.join(appEui, appKey);
}

void loop()
{
  debugSerial.println("-- LOOP");
  
  int temp = 32.6 * 100;
  int ant = 140;
  byte payload[3];
  payload[0] = (byte)((temp & 0xFF00) >> 8);
  payload[1] = (byte)((temp & 0x00FF) );
  payload[2] = (byte)(ant);

  Serial.print(payload[2]);
  

  // Send it off
  ttn.sendBytes(payload, sizeof(payload));

  
  delay(10000);
}