пока только код из видео

// код передатчика
#include <SPI.h>
#include <RH_RF95.h>
#include <Wire.h>
#include "SparkFunHTU21D.h"
#include <BH1750.h>
#include <BMP085.h>


RH_RF95 rf95(10, 2); 

HTU21D myHumidity;
BH1750 lightMeter(0x23);
BMP085 dps = BMP085();    

void setup() {


  Serial.begin(9600);
  myHumidity.begin();
  lightMeter.begin(BH1750_CONTINUOUS_HIGH_RES_MODE);
  dps.init();   
  while (!Serial) ; // Wait for serial port to be available
  if (!rf95.init())
    Serial.println("init failed");
  // Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
 
   rf95.setTxPower(1);
   rf95.setFrequency(433.92);
   rf95.setModemConfig(RH_RF95::Bw125Cr48Sf4096 );
}

struct SEND_DATA{ 
  float Humidity;
  float TemperatureHTU21;
  long TemperatureBMP180;
  long Pressure;
  unsigned int lux;
};

SEND_DATA mydata;

void loop()
{
    mydata.TemperatureHTU21 = myHumidity.readTemperature();
    mydata.Humidity = myHumidity.readHumidity();
    mydata.lux = lightMeter.readLightLevel();
    dps.getTemperature(&mydata.TemperatureBMP180); 
    dps.getPressure(&mydata.Pressure) ;
            
    rf95.send((uint8_t*)&mydata, sizeof(mydata)); 
    rf95.waitPacketSent();
   
    delay(1000);
  
}

// код приемника
#include <SPI.h>
#include <RH_RF95.h>

 
RH_RF95 rf95(7, 2);  
  

struct RECEIVE_DATA{ 
  float Humidity;
  float TemperatureHTU21;
  long TemperatureBMP180;
  long Pressure;
  unsigned int lux; 
};

RECEIVE_DATA mydata;

void setup() 
{
 

  
  Serial.begin(9600);
  while (!Serial) ; // Wait for serial port to be available
  if (!rf95.init())
    Serial.println("init failed");  
  // Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on

 
   rf95.setTxPower(1);
   rf95.setFrequency(433.92);
   rf95.setModemConfig(RH_RF95::Bw125Cr48Sf4096 );
}

void loop()
{
  if (rf95.available())
  {
  
    uint8_t len = sizeof(mydata);
    if (rf95.recv((uint8_t*)&mydata, &len))    {
 
       Serial.println(mydata.TemperatureHTU21);
       Serial.println(mydata.TemperatureBMP180);
       Serial.println(mydata.Humidity);
       Serial.println(mydata.Pressure/133.3);
       Serial.println(mydata.lux); 

       Serial.println( ); 
    } 
  
     
  }
}