Since we all know about Halloween, and we're Korean, we decided to explore Korean stories that are similar to Halloween. We got really interested in a famous phenomenon called the Dokebibul, also known as the goblin fire.
This phenomenon is like something magical and mysterious. It's when oddly colored flames suddenly appear in the dark night, almost like a mirage. A goblin fire means the appearance of a goblin. We wanted to create an eerie vibe with interactive so people could feel this for themselves, or understand what it’s like.
Dokebi (Goblin) looks like this!
Goblin fire
The input is an IR sensor. It will detect the user's approaching movement and trigger an interaction to turn on the light bulb. The output will be a repeated flickering of the light bulb.
These images are our concept / mood board.
We sketched several ways to express the movement of the goblin fire. First, we sketched lights that would flicker in response to human movement, and I imagined them hanging from the walls like curtains. Second, we imagined light bulbs hanging from the ceiling.
IR Sensor
IR sensors are now widely used in motion detectors. The sensor elements detect the heat radiation (infrared radiation) that changes over time and space due to the movement of people.
Ultrasonic sensor
An ultrasonic sensor is an instrument that measures the distance to an object using ultrasonic sound waves. An ultrasonic sensor uses a transducer to send and receive ultrasonic pulses that relay back information about an object's proximity.
void setup()
{
pinMode(4,INPUT);
pinMode(13,OUTPUT);
}
void loop()
{
if (digitalRead(4)== LOW)
{
digitalWrite(13,LOW);
}
else
{
digitalWrite(13,HIGH);
}
}