This is an old revision of the document!
A creepy doll with red leds instead of eyes.
The eyes blink 3 times in a cycle when she is moved around.
She was built in my beginnings and needs an update. She burns through 3.3V batteries like crazy.
First arduino Code
#import <Arduino.h>
int led = 10; // LED pin
int sensor = 2; // Tilt sensor pin
int brightness = 0;
int fadeAmount = 5; // points to fade LED by
int storedVal = 0; // Store value of sensor state
void setup()
{
pinMode(sensor, INPUT_PULLUP); // init sensor as pullup
pinMode(led, OUTPUT); // init led
}
void loop()
{
int sensorVal = digitalRead(2); //Read sensor state
if (sensorVal != storedVal) // if things have moved
{
storedVal = sensorVal;
fadeEyes(); // blink the eye thing
}
else //if not turn led off
{
digitalWrite(led, LOW);
}
delay(10); // debounce for sensor
}
void fadeEyes()
{
for (int i = 0; i<312; i++) //unexplainable cycle value
{
analogWrite(led, brightness);
if (brightness == 255)
{
delay(750); // stay 3 seconds on full bright led
}
brightness = brightness + fadeAmount;
//reverse direction at start & end of fade
if (brightness == 0 || brightness == 255)
{
fadeAmount = -fadeAmount;
}
// wait 30 miliseconds to see changes
delay(30);
}
digitalWrite(led, LOW);
}