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October 22, 2014 03:58
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| /* | |
| Ghost Clyde | |
| Halloween Hacks | |
| Fabule Fabrications | |
| by Angela Gabereau | |
| Oct 21, 2014 | |
| Motion triggers the haunting, Clyde's eye light turns on, and the task light | |
| and fan fade in and out several times, then the ghost goes silent again. | |
| Arduino's basic fade example was the starting points of this code. | |
| */ | |
| int taskLight = 11; // the pin that Clyde's task light is attached to | |
| int fan = 13; // the pin that the fan is attached to | |
| int R = 5, G = 6, B = 9; // the pins for the red, green and blue of the Clyde's eye light | |
| int rColor = 255, gColor = 255, bColor = 255; // The color values for the R,G amd B pins | |
| int pirPin = 10; //the digital pin connected to the PIR sensor's output | |
| int calibrationTime = 30; //the time we give the sensor to calibrate (10-60 secs according to the datasheet) | |
| boolean haunting = false; // should the task light and fan fade in and out and the eye light turn on. | |
| int spookCount = 0; //The number of times the spooky light/fan cycle has run since trigger. | |
| int spookLimit = 3; //The number of times the spooky light/fan cycle runs on trigger. | |
| int brightness = 0; // how bright the LED is | |
| int fadeAmount = 5; // how many points to fade the LED by | |
| // the setup routine runs once when you press reset: | |
| void setup() { | |
| //Initialize pins. | |
| // Declare Clyde's task light pin to be an output: | |
| pinMode(taskLight, OUTPUT); | |
| // Turn off Clyde's task light by setting pin high. | |
| digitalWrite(taskLight, HIGH); | |
| // Declare fan pin to be an output: | |
| pinMode(fan, OUTPUT); | |
| // Turn off fan by setting pin low. | |
| digitalWrite(fan, LOW); | |
| // Declare R,G and B pins to be outputs, for Clyde's eye light. | |
| pinMode(R, OUTPUT); | |
| pinMode(G, OUTPUT); | |
| pinMode(B, OUTPUT); | |
| // Turn Clyde's eye light red to show that it is calibrating. | |
| digitalWrite(R, 255); | |
| digitalWrite(G, 0); | |
| digitalWrite(B, 0); | |
| calibrateMotionSensor(); | |
| // turn Clyde's eye light off to show that calibration is complete | |
| digitalWrite(R, 0); | |
| digitalWrite(G, 0); | |
| digitalWrite(B, 0); | |
| } | |
| // The loop routine runs over and over again forever: | |
| void loop() { | |
| // Does Ghost Clyde perform his haunting behaviour? | |
| if(haunting){ | |
| // Fade light and fan. | |
| spookyClyde(); | |
| // Check if the spooky light and fan fading cycle has run enought times. | |
| if(spookCount>spookLimit){ | |
| // Who you gonna call?! | |
| ghostbusters(); | |
| } | |
| }else{ | |
| checkMotionSensor(); | |
| } | |
| } | |
| // Fade Clyde's task light and fan, turn on his eye light. | |
| void spookyClyde(){ | |
| // Set Clyde's eye light to color | |
| digitalWrite(R, rColor); | |
| digitalWrite(G, gColor); | |
| digitalWrite(B, bColor); | |
| // Set the brightness of the task light: | |
| analogWrite(taskLight, 255-brightness); | |
| // Set the brightness of the fan: | |
| analogWrite(fan, brightness); | |
| // Change the brightness for next time through the loop: | |
| brightness = brightness + fadeAmount; | |
| // Reverse the direction of the fading at the ends of the fade: | |
| if (brightness == 0 || brightness == 255) { | |
| fadeAmount = -fadeAmount ; | |
| } | |
| //A moment of darkness. | |
| if (brightness == 0){ | |
| delay(1000); | |
| spookCount++; | |
| } | |
| // Wait for 30 milliseconds to see the dimming effect | |
| delay(30); | |
| } | |
| // Turn off all haunting behavior. | |
| void ghostbusters(){ | |
| // Reset haunting values. | |
| haunting = false; | |
| spookCount = 0; | |
| // Turn Clyde's eye light off | |
| digitalWrite(R, 0); | |
| digitalWrite(G, 0); | |
| digitalWrite(B, 0); | |
| // Turn off Clyde by setting pin high. | |
| digitalWrite(taskLight, HIGH); | |
| // Turn off fan by setting pin low. | |
| digitalWrite(fan, LOW); | |
| } | |
| //Wait a little while so that the motion sensor can calibrate. | |
| void calibrateMotionSensor(){ | |
| for(int i = 0; i < calibrationTime; i++){ | |
| delay(1000); | |
| } | |
| delay(50); | |
| } | |
| void checkMotionSensor(){ | |
| //If the PIR pin is high, trigger the haunting behavior. | |
| if(digitalRead(pirPin) == HIGH){ | |
| haunting = true; | |
| } | |
| } |
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