good riddance to trump

This was inspired by the Trump rally that got shut down in Chicago by protesters. Chicagoans have never liked Trump. From the moment Trump Tower was built on the river and there was controversy over his name being on the side of the building in huge, gaudy letters, we knew he was a classless jackass. I was living 4,000 miles away when his campaign rally was planned for Chicago, but man did I feel proud to be a Chicagoan when protesters showed up and got so rowdy that they had to cancel his rally. That’s Chicago in a nutshell. Proud, brash, and ready to go to the mat to show a racist, New York douchebag (no offense NY) that he’s not welcome in our city. Now if only we could airlift his building the fuck off of our river and kick him out of The White House…

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Good Riddance

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active art, arduino, art, human computer interaction, programming, Throw, web development

Active Art Project, “Throw”

I’ve recently started on an art project that’s going to combine 4 of my absolute favorite activities, creating digital art, web-development, construction, and throwing balls at things. I’m so excited about this idea!

This project has been in the planning/research stages for a while, but I’m still very early on, and I want to write about the project and the process as it progresses here.

What is it?

There are several ways I could answer that, let me start with how one will use it.

You’ll start off holding a tennis ball, standing 10 – 60 feet away from a plywood board with a frame around it. On this board, you’ll notice an 8×8 grid of 4″ squares painted on it. An LED light will shine from one of these squares, and you’ll be instructed to hit that square with the tennis ball.

You’ll throw the ball, and a monitor, or nearby tablet will blink and give you a score, showing you where you were supposed to hit and where you hit. There will be two grids on this screen, grid one will show a color plotted on the square you were supposed to hit, and grid two will show the same color plotted wherever you actually hit.

After repeating this process 63 times. You’ll end up with a final accuracy score and two grids, one will be the source image you were (unknowingly) attempting to recreate, and the second will be your recreation. Theoretically, if one had perfect aim, the two would be exactly the same.

These two images will be automatically uploaded to a web-app where they will be added to two larger images. Image 1 gets placed, like a puzzle piece among other source images, to ultimately create the larger original source image from which it came. Image 2 (the recreation attempt) gets placed, similarly among the other recreation attempts created by the throwers before you, to ultimately create a collective recreation attempt of the larger original image.

How does it work?

Well, that’s where it gets interesting.

Basically, how the board will work, is that a couple inches off the board’s surface, built into the surrounding frame, there will be 2 arrays of 36 light sources (laser diodes (or LEDs), arranged along the X and Y axes of the board (72 total). Directly across the board from each of these, will be a corresponding light sensors (phototransistors or photoresistors). This will create a grid of beams, all connected to an Arduino Uno microcontroller.

When an object passes through this beam grid, it will temporarily block some of the beams. By monitoring which beams are blocked on both the x and y axes, the Arduino & computer it’s connected to, will determine (approximately) where the ball hit the board, and feed this information into the web-app. Voila!

So I know how to build the web-app, how to build the wooden frame, and definitely how to throw tennis balls at things, but electronic hardware, well, that’s not my strong suit. Hence, me joining Maui Makers and learning about Arduinos. People on the Arduino forums have also been very helpful, if you’re interested, check out the Arduino forum thread where I’m getting help.

I’ve sketched out basic diagrams of how this will work, and have started researching the exact hardware I’ll need to make it happen. The more I research and talk to people about the idea, the less simple it seems. I’m realizing making this theoretical idea a physical reality is quite a bit more complicated than I initially thought. But luckily, every time I talk to people we come up with even more potential applications for a sensor board like this.

Once the hardware is built, the applications are seemingly endless. here are just a few that have come up.

  • Use it to play Battleship. But no calling ‘A4’, you just try to hit a spot with the ball, and wherever you hit, that’s where you hit.
  • Use it as an instrument, block different beams to play different notes.
  • Use it for pitching practice, to track accuracy.
  • Use it to draw/paint by dragging your hand through the beam grid. Or you could choose a color on a tablet, then throw a ball to plot that color wherever you hit on a grid.
  • If other people built these sensor boards, we could have people all over the world throwing at boards and contributing to the same images, or playing Battleship remotely.
  • Group throwers by skill level or age, and have them recreate the same source images. How does that affect the fidelity of the recreations?
  • People could take photos of themselves with a phone, then that photo could become the image they’re recreating by throwing at the board.

The possibilities are endless. And beautifully, it’s a way to be ACTIVE while interacting with computers and creating art.

 

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