› › ›

Servo not responding

pratheek_irpratheek_ir
in Arduino

I have an animation that plays when the value read by the photoresistor on A0, drops below a threshold. Im using a continuous rotation "servo" ( 0=anticlockwise, 90=stop, 180=clockwise). The gif plays fine and the photoresistor values are coming in just fine too but the servo just wont respond. I checked the power supply and the connections. Im running standard firmata on an arduino mega.

here is the code

Animation animation1;
import processing.serial.*;
import cc.arduino.*;
Arduino arduino;
void setup() {
  size(640, 360);
  background(255, 204, 0);
  frameRate(24);
  animation1 = new Animation("BL ", 38);

  println(Arduino.list());
  arduino = new Arduino(this, Arduino.list()[0], 57600);
   for (int i = 0; i <= 52; i++)
    arduino.pinMode(i, Arduino.INPUT);
     arduino.pinMode(8, Arduino.SERVO);
}

void draw() { 
int pres=arduino.analogRead(0);
  println(pres);


  if (pres<140) {
    arduino.servoWrite(8, 90);
    delay(500);
    animation1.display(0, 0);
  } 
  else {
    background(0);
    arduino.servoWrite(8,180);
    delay(500);
  }


}




class Animation {
  PImage[] images;
  int imageCount;
  int frame;

  Animation(String imagePrefix, int count) {
    imageCount = count;
    images = new PImage[imageCount];

    for (int i = 0; i < imageCount-1; i++) {
      String filename = imagePrefix + nf(i) + ".jpg";
      images[i] = loadImage(filename);
    }
  }

  void display(float xpos, float ypos) {
    frame = (frame+1) % imageCount;
    if(frame<31)
    image(images[frame], xpos, ypos);
else
frame=0;
}

  int getWidth() {
    return images[0].width;
  }
}

Answers

This discussion has been closed.