transmit_rf24.ino

#include "nRF24L01.h"

#include "RF24_config.h"

#include <SPI.h>                      //the communication interface with the modem
#include "RF24.h"                      //the library which helps us to control the radio modem

int msg[1];

//define the flex sensor input pins
int flex_5 = A5;
int flex_4 = A4;
int flex_3 = A3;
int flex_2 = A2;
int flex_1 = A1;

//define variables for flex sensor values
int flex_5_val;
int flex_4_val;
int flex_3_val;
int flex_2_val;
int flex_1_val;

RF24 radio(5,10);                     //5 and 10 are a digital pin numbers to which signals CE and CSN are connected.
                                      
const uint64_t pipe = 0xE8E8F0F0E1LL; //the address of the modem, that will receive data from Arduino.


void setup(void){
  Serial.begin(9600);
  radio.begin();                      //it activates the modem.
  radio.openWritingPipe(pipe);        //sets the address of the receiver to which the program will send data.
}

void loop(){

  flex_5_val = analogRead(flex_5); 
                             //175 - 0
  flex_5_val = map(flex_5_val, 1023, 1000, 0, 10);
  msg[0] = flex_5_val;
  radio.write(msg, 1);
   Serial.println("sensor:5 "); 

  flex_4_val = analogRead(flex_4);
                             //175 - 0
  flex_4_val = map(flex_4_val, 1023, 1000, 11, 20);
  msg[0] = flex_4_val;
  radio.write(msg, 1);
   Serial.println("sensor:4 "); 

  flex_3_val = analogRead(flex_3);
                             //175 - 0
  flex_3_val = map(flex_3_val, 1023, 1000, 21, 30);
  msg[0] = flex_3_val;
  radio.write(msg, 1);
   Serial.println("sensor:3 "); 

  flex_2_val = analogRead(flex_2);
                             //175 - 0
  flex_2_val = map(flex_2_val, 1023, 1000, 31, 40);
  msg[0] = flex_2_val;
  radio.write(msg, 1);
  Serial.println("sensor: 2"); 

  flex_1_val = analogRead(flex_1);
                             //175 - 0
  flex_1_val = map(flex_1_val, 1023, 1000, 41, 50);
  msg[0] = flex_1_val;
  radio.write(msg, 1);
  Serial.println("sensor: 1"); 
}