I got a main sketch going in my main arduino1 ; my question is how can I send that data to my second arduino2 so reads it? So arduino2 does the same thing on its outputs as arduino1? also is there a way where arduino2 sends it back to my main arduino1 for also it to replicate the data from arduino2?
please help me write a sketch!!! THANKS!! in Advance!
// Arduino pins used for the LEDs
#define LED1 11
#define LED2 10
#define LED3 9
#define LED4 8
// Arduino pins used for the switches
#define S1 5
#define S2 4
#define S3 3
#define S4 2
// State of each switch (0 or 1)
int s1state;
int s2state;
int s3state;
int s4state;
void setup() {
// pins for LEDs are outputs
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(LED4, OUTPUT);
// pins for switches are inputs
pinMode(S1, INPUT);
pinMode(S2, INPUT);
pinMode(S3, INPUT);
pinMode(S4, INPUT);
// setup serial port
Serial.begin(9600);
Serial.println("Serial port open");
}
void loop() {
s1state = digitalRead(S1);
digitalWrite(LED1, s1state);
s2state = digitalRead(S2);
digitalWrite(LED2, s2state);
s3state = digitalRead(S3);
digitalWrite(LED3, s3state);
s4state = digitalRead(S4);
digitalWrite(LED4, s4state);
Serial.print(s1state);
Serial.print(s2state);
Serial.print(s3state);
Serial.print(s4state);
Serial.println();
}