Hi,
I am not sure this problem is from Adafruit or programming in Arduino IDE. If I post in the wrong place, kindly tell me.
I found that when I power the Adafruit board, I need to press reset button on this board. Then it can start to receive signal from Arduino Due (Anotehr board). Why Adafruit board need to be pressed and start to receive? I mean it can not reset when it is powered?
void setup() {
Serial.begin(115200);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
pinMode(14, OUTPUT);
pinMode(2, OUTPUT);
digitalWrite(12, LOW);
digitalWrite(13, LOW);
digitalWrite(14, LOW);
delay(1000);
//pinMode(4,INPUT);
//pinMode(12,INPUT);
}
void loop() {
if (Serial.available() > 0) {
int inByte1 = Serial.read();
switch (inByte1) {
case '1': //do cleaning
delay(1000);
//delay(1800);// synchronize Due and HUZZAH
//saturation 3 times
digitalWrite(12, HIGH); //solenoid valve open
digitalWrite(14, HIGH); //pinch valve open
delay(30000);
digitalWrite(14, LOW); //pinch valve open
delay(10000);
digitalWrite(14, HIGH); //pinch valve open
delay(30000);
digitalWrite(14, LOW); //pinch valve open
delay(10000);
digitalWrite(14, HIGH); //pinch valve open
delay(30000);
digitalWrite(14, LOW); //pinch valve open
delay(10000);
digitalWrite(12, LOW); //solenoid valve close
break;
case '2': // do FE
delay(1000);
//flushing step
digitalWrite(12, HIGH); //solenoid valve open
digitalWrite(14, LOW); //pinch valve open
delay(15000);
//saturation step
digitalWrite(14, HIGH); //pinch valve close
digitalWrite(13, HIGH); //motor on
delay(60000);
//extraction step
digitalWrite(14, LOW); //pinch valve
//digitalWrite(12,HIGH);//extraction 15s
//digitalWrite(13,HIGH);
delay(30000);
digitalWrite(12, LOW);
digitalWrite(13, LOW);
digitalWrite(14, HIGH);
delay(1000);
break;
case'3':
digitalWrite(2, 1); // LED off
delay(3000);
digitalWrite(2, 0); // LED on
delay(3000);
digitalWrite(2, 1); // LED off
}
}
}```