/* sample processing code */ /* analog clock */ PVector mid; float sc, mn, hr, s, m, h; void setup() { background(20); size(400,400); noFill(); stroke(200); smooth(); frameRate(1); mid=new PVector(width/2,height/2,0); } void draw() { background(0); s=float(second()); m=float(minute()); h=float(hour()); sc=(s-15)/60*TWO_PI; mn=(m-15)/60*TWO_PI; hr=(h-3)/12*TWO_PI+mn/12; strokeWeight(2); stroke(200,0,0); line(mid.x,mid.y,mid.x+100*cos(sc),mid.y+100*sin(sc)); stroke(200); line(mid.x,mid.y,mid.x+110*cos(mn),mid.y+110*sin(mn)); strokeWeight(4); line(mid.x,mid.y,mid.x+60*cos(hr),mid.y+60*sin(hr)); stroke(50); ellipse(mid.x,mid.y,240,240); }

/* sample arduino code */ // Blinking LED int ledPin = 13; // LED connected to digital pin 13 void setup() { pinMode(ledPin, OUTPUT); // sets the digital pin as output } void loop() { digitalWrite(ledPin, HIGH); // sets the LED on delay(1000); // waits for a second digitalWrite(ledPin, LOW); // sets the LED off delay(1000); // waits for a second }