void setup() {[color=#222222][/color]
Serial.begin(9600);[color=#222222][/color]
}[color=#222222][/color]
[color=#222222][/color]
void loop() {[color=#222222][/color]
Serial.print("G");[color=#222222][/color]
Serial.print("\n");[color=#222222][/color]
[color=#222222][/color]
while(Serial.available() > 0) {[color=#222222][/color]
byte reading = Serial.read();[color=#222222][/color]
Serial.println(char(reading));[color=#222222][/color]
}[color=#222222][/color]
delay(15000);[color=#222222][/color]
}
id change it to
void setup() {
Serial.begin(9600);
}
void loop() {
long NonBlockingFlag
if (NonBlockingFlag >= 20000) {
Serial.print("G");
Serial.print("\n");
NonBlockingFlag = 0;
}
if (Serial.available()) {
Serial.write(Serial.read());
}
NonBlockingFlag++;
}