#include #include // Define software serial pins (use any digital pins if not using hardware serial) #define RX_PIN 13 #define TX_PIN 12 #define DE_PIN 3 #define RE_PIN 4 SoftwareSerial s1(RX_PIN, TX_PIN); void setup() { // Start the software serial port s1.begin(9600 ); //pinMode(RX_PIN, INPUT); //pinMode(TX_PIN, OUTPUT); pinMode(DE_PIN, OUTPUT); pinMode(RE_PIN, OUTPUT); digitalWrite(DE_PIN, LOW); digitalWrite(RE_PIN, LOW); //node.setTimeout(2000); // Optionally, start the Serial monitor for debugging Serial.begin(9600); while (!s1) { } Serial.println("Setup done B"); } int byteReceived; static unsigned long lastRefreshTime = 0; static unsigned long cnt = 0; void loop() { cnt++; if (s1.available()) //Look for data from other Arduino { int inByte = s1.read(); Serial.write(inByte); } //delay(100); // Wait a second before the next loop if(millis() - lastRefreshTime >= 1000) { digitalWrite(RE_PIN, HIGH); digitalWrite(DE_PIN, HIGH); s1.print("Its working....."); s1.println(cnt); s1.flush(); //delay(1000); digitalWrite(RE_PIN, LOW); digitalWrite(DE_PIN, LOW); lastRefreshTime += 1000; Serial.println("Cycle2\n\n"); } }