Transmitter Voltmeter (GROUP OF JIE MUSNI)

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>


const int voltageSensor = A0;

float vOUT = 0.0;
float vIN = 0.0;
float R1 = 30000.0;
float R2 = 7500.0;
int value = 0;


RF24 radio(7, 8); //CE CSN
const byte address[6] = "00001";



struct package
{
  float vIN = 0.0;
};

typedef struct package Package;
Package data;

void setup()
{
  Serial.begin(9600);
  radio.begin();

  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_HIGH);
  radio.stopListening();

}
void loop()
{
  value = analogRead(voltageSensor);
  vOUT = (value * 5.0) / 1024.0;
  vIN = vOUT / (R2 / (R1 + R2));

  data.vIN = vIN;
  radio.write(&data, sizeof(data));
  delay(500);
}