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Observation of Everyday Things

9/28/2016

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​How the Entrance of Magnet works?

Get Out: (Hard Part)
There are two ways to get out:
1. Trigger the sensor on the top
2. Push the button beside

Because the sensor isn't really sensitive, it's hard to detect you when you move quickly and not stand right in front of the door. So you have to stand right in front of the door, even raise hand in front of the sensor to make sure it detects you.

When people try to get out, someone try to waive their hand to unlock, someone just push the button

There is no feedback for pushing the button. If you didn't push right (Probably when you're hurry to get out), it can't open.

Enter:
Enter is kind of easier to do, you just need to put your card on the trgger. But there is still space to improve.

Sometimes people may just use the card within their pocket to touch it without taking it out. (Probably it's because they have a lot of stuff on their hand) But if they try to open through this way, for some people it's too high, for some others it's too low. Maybe make it longer to fit everyone's height.

Some Good Design:
​The door close pretty slowly, which is good. People get in and out pretty frequently. Because it's slow, people can follow other's step and do not have to open and close door every time. This increases the efficiency.
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Simple Digital Input and Output

9/27/2016

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1. When pushing the button, the Serial Monitor prints out "on".
​
(Serial Monitor serves a debugger role)
Picture
Picture
#define pushButtonPin 3

void setup() {
  pinMode (pushButtonPin, INPUT);
  Serial.begin(9600);
}

void loop() {
  if (digitalRead(pushButtonPin) == HIGH) {
    Serial.println("on");
  }
}
Picture
Note: The Resistor here is an pull-down Resistor. 
It holds the logic signal near zero volts when no other active device is connected. Because you have nothing at all connected to an input pin doesn't mean it is a logical zero.
2. When pushing the button, the LED turns on and the Serial Monitor prints out "on",
otherwise it turns off and the Serial Monitor prints out "off".
Picture
Picture
#define pushButtonPin 3
#define LEDPin 2

void setup() {
  pinMode (pushButtonPin, INPUT);
  pinMode (LEDPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  if (digitalRead(pushButtonPin) == HIGH) {
    Serial.println("on");
    digitalWrite(LEDPin, HIGH);
  } else {
    Serial.println("off");
    digitalWrite(LEDPin, LOW);
  }
}
This is a WRONG circuit. I was stuck here for a while. Do you know what's wrong with it?
Picture
The Answer Is: The current doesn't go through the LED, because its two sides both connect to a connected wire:)
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"It sounds like Light"

9/21/2016

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In this week, we need to make a switch.

I like the sound of windbell, which make me think about peace and hope. It sounds like light.
​So I  made a windbell that use the sound to create light. 
Picture
I used a hemp rope, 2 copper ring(1 big, 1 small), a conductive thread, a LED, a 9V battery,
​some wires to make it.
Picture
The switch closely relate to the world. 
​The "uncertainty" makes it become alive, meaningful and magical.
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Interactive Art

9/13/2016

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​As a game designer, game is a kind of interactive art for me. Its fun of interactivity is the key that draws me in, which is also the most powerful element comparing to other art forms. But game is just a specific branch of interactive art, which emphasizes meaningful choice more. There are a lot of other interactive art forms that will not be defined as game normally. They might focus on amplifying human’s expression and capability. They might look like a tool or a toy. They might be more physical than common digital games which are just behind the screen. But the edges of these branches are pretty vague, and they closely interweave with each other. I always would like to jump out from a thinking set, and experience the world from some different perspectives so that I would not fall into a stereotyped black hole. So let’s zoom out a little bit.
 
What is interaction? In my word, it’s a cycle, an input and output cycle between two subjects. We do something (we send some messages to the other subject whatever it’s cognitive, vocal or physical), and we get something back from it which reacts to what we do and conveys what they want to tell us back, then we do something to react this again…This back and forth cycle is interaction. When the messages conveying through a physical way, when we use our body language to communicate, it’s physical interaction.
 
So what makes good physical interaction? In my opinion, it should be direct, minimalist and harmonious. It should feel like what we think it will be. It’s easy to access and use, and we could understand what to do without intended learning. It’s minimalist without any unnecessary part. It might be complex but it’s relatively “invisible”, which means it only shows the things we need at the moment, and hide all the other irrelevant information. It perfectly blends with our natural interaction way with the world. And it’s harmonious with our common sense to the world. We could feel it as real.
 
Interaction must be a cycle containing back and forth reactions. Sometimes it’s easy to misunderstand participation as interaction. A great example for this is artist Daniel Canogar’s work “Storming Times Square”. They invite people to crawl forward on ground and record it, then make it as a video showing on the screens on Time Square’s buildings. The video installation actually reacts to those participants’ actions, but they cannot react back. It doesn’t form a cycle. It's participant art.
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    Author

    Li Ling

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  • Home
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