NRF_SLAVE

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

RF24 radio(8, 10); // CE, CSN for UNO
//  RF24 radio(7, 8); // CE, CSN FOR NANO



const byte address[6] = "00001";
int ActivationDelay = 2000; // TARGET ACTIVATION DELAY TIME
int SolenoidTime = 250;     // DURATION FOR SOLENOID TO BE TRIGGERED
long SerialInput;

void setup() {
      pinMode(2, OUTPUT);       // LED CONTROL ON/OFF
      pinMode(3, OUTPUT);       // RELAY CONTROL ON/OFF
      Serial.begin(9600);
      Serial.setTimeout (10);   // SET DELAY BETWEEN ENTER IN SERIAL MONITOR AND PARSING STRING
      radio.begin();
      radio.openReadingPipe(0, address);
      radio.setPALevel(RF24_PA_MIN);
      radio.startListening();
    }

void loop() {
// SECTION FOR READING REMOTE BUTTON STATE AND CONTROLLING RELAY //
       while (radio.available()) {
        char text[3] = "";
        radio.read(&text, sizeof(text));
        Serial.println(text);

        if text[0] == 1  { // this is the ON
             digitalWrite(2, HIGH); // TRIGGER LED ON
             delay(text[1]*1000);// ACTIVATION DELAY TIMER
             digitalWrite(3, HIGH); // RELAY CLOSED
             delay(text[2]*250);   // SOLENOID CHARGE DURATION TIME
             digitalWrite(3, LOW);  // RELAY OPEN
             digitalWrite(2, LOW);  // TRIGGER LED OFF
        } else {
             digitalWrite(2, LOW); // TRIGGER LED OFF
             digitalWrite(3, LOW); // RELAY OPEN
        }

}