Archives for February 2022

We built three circuits in total. The first two is much easier than the third one. We didn’t encounter any problems until we tried to do the four-player game after finishing the three circuits. Combing the two circuits with another group, the code was much complicated. But we found patterns in the code: if there are number 1 and 2, copy and paste the code and revise 1 and 2 with 3 and 4, as they work in a similar way. In addition, we plug both the cables in to the GNDs on Arduino. We need to be extra careful when comes to a complicated circuit.

 

Circuit 1

Circuit 2

Circuit 3

 

Question 1

Instead of only letting the LED light up after one player hit ten times the button, we can connect the button to the program that create visuals on our laptop. Tom Igoe and Dan O’Sullivan mentioned in their book: “Connecting back to multimedia computers is one of the things that separates this book from books about robotics. Robotics books tend to insist on having the microcontroller stand alone. We’re
not so swift to dismiss the multimedia computer’s output capabilities when it’s useful for communicating with people or between people.” With visuals and sounds, we can make this game even more like a video game. We can create characters, set up a scenario, and design what pushing the button means in this game, for example, one brick is moved when the button is hit once; and after whoever move ten bricks first is the winner. This way, players not only face a Arduino board with a bunch of cables, but is able to actually enjoy a game with imagination of communicating with the characters.

Question 2

We use a pull-down resistor to avoid short circuits. And the recommend value of the resistors by the official Arduino doc is 10k.

 

1. The Fish of Lijiang

It is impressing that even the sky and weather is fake and controlled in the fiction. But instead of letting it be always blue and sunny, it will be cool if the weather can reflect people’s emotion. I read about a lamp that reflect weather by changing its color, and similar design can be applied to the fake weather built in the story. When the mayor feels happy, sun shines bright in the sky; when he/she is angry, storm comes. It’d be an interesting design but may cause problem if the weather controller is in a bad mood everyday for a month.

2. Newton’s Sleep

A 4D projection technology like holography display that presents a realistic scene in just an empty room. It can be used in history class where students can leave the texts and the 2D images in books, and step in the lively scenes of historical events. The image projected is not only 3D(looks spatial and real), but also audience can smell, feel, hear it. And if one person touches a projected item, the item reacts. The scenes would be so impressive that students don’t need lots of efforts and time to memorize information for history class. However, since what students see is a surrounding image, what they perceive is very different. They may focus on things that are not important or get distracted. On the other hand, in the situation in the novel, there maybe debate on whether kids should immerse themselves in what’s in the past.

 

3. The Winter Market

If there is a device that can read people’s mind that not only transfer it into digital signals or data, but to turn people’s imagination into visual videos, designers can convery their ideas about protorype easily, and there is less misunderstanding. After all, designers are either challenged to be a good painter or model builder to express what they are thinking even though they have brilliant ideas in their head. And simply by saying is also hard. And artist can also skip the step to draw or recording images, saving time and money to produce a movie or audio-visual art. But the problem may appear that people’s privacy is exposed to a dangerous position that with this kind of invention, we can easily tell if someone is lying. In addition, people who are employed in film-making and art-making may lose their jobs.

We first built the button of the circuit. It was easier than building the circuit itself as long as we were very careful. Reading the circuit diagrams as well as connecting all the components on the breadboard was difficult as it took us a long time to understand how the breadboard works. Plus, we ran out of space to plug the cables onto the breadboard so we need to adjust some of them to have enough space for all the components.

Step1

Step2

Step3

 

• Breadboard: connects all the stuff and let electricity flows through
• Buzzer: makes sounds
• Resistor: reduces current so the LED doesn’t get burned
• Variable Resistor (Potentiometer): provides adjustable amount of resistance
• LED: light. See if the circuit works
• Button: switches on/off the circuit

 

Question 1

The resistor helps reduce the amount of current that passes through the LED, so the current won’t exceed the limit and damage the LED.

Question 2

 

Question 3

According to the author, “interaction is a cyclic process in which two actors alternately listen, think and speak.” The circuit we build today doesn’t feel like a strong interaction because it only listens to our order, process after the circuit connects and speak(light up the LED and make sounds). When we receive its signal, we can decide if we switch it on again or we stop. Even we speak(push the botton) again, we are not building it on top of what the circuit just spoke, it feels like another beginning of a conversation. So I would consider it a low degree of interactivity.

Question 4

The EyeWriting that Zack Lieberman and his team created is really impressing. They have used the cheap web cam together with the software that allows the sensors to track the movement of the graffiti artist’s eye. It’s a good example that through sensors and the software they designed(Physical Computing), artist can create arts in an interactive way. When the device track down what the users are drawing, it processes and displays the work. The interaction goes on an on until the art work is done.

When we say interaction, we expect two or more objects to response to each other. One output message and one receive it. After receiving it, it gives out message again, letting another receive.

https://www.manamana.net/video/detail?id=1566768#!zh This video shows an workshop about tea, where visitors can know about the procedure of making tea. And in the workshop, people can experience how tea is made with lots of interactive design. For example, touching the wall to triger light that follows the rountine of making tea. There is interaction because the light appears in response to the touch by people. And people recieve the message and can later on decide if they want keep the interaction on by touching/responsing the wall again.

Something that I would not call interaction can be this as an example: https://hellocircuits.com/2017/11/09/clock-clock-by-human-since-1982/. The clock is controlled by the program the engineered created, and it is not interacting with another object or person. It is a one-direction process since there is no reception after the clock output/response.

 

Work Cited:

Forman, Eric. “Clock Clock by Human Since 1982.” HelloCircuits, https://hellocircuits.com/2017/11/09/clock-clock-by-human-since-1982/. Accessed 16 February 2022.

SeeekLab. “科技+传统 茶文化互动体验店-七茶研究所.” Mana, https://www.manamana.net/video/detail?id=1566768#!zh. Accessed 16 February 2022.

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