posts tagged with the keyword ‘wmse’

2019.04.17

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For this year’s WMSE Art & Music event, I created a new board I call OctoNoise. It’s an eight note piano featuring capacitive touch pads, LEDs, a Teensy LC microcontroller, and some fine woodworking. This is somewhat similar to last year’s piece.

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You may know me for my work with decagons, but I also work with octagons, and this pattern is known as a 16 cell and it worked well for my design which utilizes 8 touch pads and 8 LEDs.

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I’m not an amazing woodworker, but after laser cutting wood I can typically sand it, stain it, and add some polyurethane. At least it looks (somewhat) nice. I didn’t alter the bottom piece, and I just left it as a square, the way I received it from WMSE. My original design for this piece (over a year ago) was a bit different, but I wanted this to match the style of last year’s WMSE piece (and I was a bit rushed getting this done.)

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The OctoNoise features and on/off switch, which is handy because it runs on batteries. I can’t tell you how many times I’ve made electronic things for myself and not included and on/off switch. It’s nice to have one! When you turn it on the touch pads calibrate for about 5 seconds. There’s a startup sound that happens during calibration. (I added a note about that on the back of the piece.)

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There’s a “somewhat” hidden control knob on the side that ajusts the delay between notes. The way the code is written, it plays one note at a time, but you can alter that to very quickly (or slowly) oscillate between multiple notes. You can get some interesting variances in sound by turning the knob.

Note that it is difficult to turn the knob while also touching the pads to make sound. This is by design, as it’s also difficult (if not damn near impossible without using various parts of your body) to play all the notes at once. This was done to encourage collaboration and playfulness.

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Here’s a side view. The height was determined by the speaker that was chosen. Once again we’ve put the electronics on display as part of the piece rather than hide them inside an enclosure. They are mean to be celebrated! (Each wire has a label showing what it connects to, if needed.)

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Here’s the Teensy LC, which runs the code. The board has built it capacitive touch pins, which make writing the code fairly easy. The notes used are C5, D5, E5, F5, G5, A5, B5, C6. This is real piano, and you can play actual songs. I based the code on a project I did for Brown Dog Gadgets a while back. You can check out their Touch Piano on Github.

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This device also contains an built-in amp with a volume control. Again, a sometimes rare feature in the things I build. Often amps require 12 volts and that’s not always fun to deal with, but I’ve found some that work on variable voltages from 3 to 12 volts, so running them at the same voltage as a microcontroller becomes very easy.

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Besides all the wood and electronics, there are some 3D printed parts that pull it all together. The on/off switch, delay control, amp, and battery holder all have their own 3D printed part that they attach to and then easily attach to the wood with some #4 screws. Once again, things are left “open” to celebrate rather than hide the electronics.

octonoise-standoff

The other 3D printed pieces are the custom standoffs that raise the top piece above the bottom piece to (partially) enclose the electronics. I created a 2D profile from the original artwork used to laser etch & cut the piece to create the correct angle. I then extruded that design to make the tall standoffs and printed 8 of them.

As usual, I encourage you to check out my Instagram account if you’re interested in seeing confusing photos of these sorts of things coming together.

Oh, one thing I forgot to mention. I liked this piece so much, I made another one so I could keep one for myself. As the old saying goes “If you’re gonna make one, make two!” So I did.

Finally, here are some videos, including one showing me playing both of them at once, which might never happen again!

2018.03.31

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When I heard WMSE was doing a fundraising event called Art & Music and was looking for artists to contribute, I wanted in. I got in touch with them and got a blank 12″x12″ board. I’ve done some of these art boards before, once for The Eisner American Museum of Advertising & Design and once for a friend of mine. (And while it’s not a board, I also made this NoiseBowl last year.) Besides myself, I also managed to get most of the people I work with at Brinn Labs to make boards, and a few people at Milwaukee Makerspace also made them.

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This one is a litte more special to me though… WMSE went on the air in 1981, and while I don’t remember when I actually started listening to it (though I do have my brother to thank) I grew up with WMSE. They played the music I wanted to hear (at least on Wednesday nights when I was in high school.) They introduced me to weird and crazy stuff, and I even got to be a guest on air a few times (and they’ve managed to play a few songs from bands I was in.)

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Since I’ve been screwing around with making noise with Arduinos in sculptural form I thought I’d continue that obsession practice once again. I’ve been working on a four step sequencer for work, so that’s what this is…

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If it wasn’t for the stain and attention to fit and finish in creating this piece, it might look like some of my work you’d find inside a museum exhibit. We tend to make a lot of devices that produce sound. (We typically don’t go to great lengths to make them “pretty” though, since they always live inside cabinets and are not seen by the public.

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Here’s the design for the one cut piece I made. It’s the control panel/user interface, which holds the power switch, potentiometers, and the LEDs. I actually used the CNC router instead of the laser cutter to make it. (Don’t ask why!) It also took some careful drill press operations to get things just right. There was also a lot of sanding involved. (Again, don’t ask.)

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There are some 3D printed pieces as well. The standoffs used for the speaker, and to hold the control panel in place. They are similar to ones I’ve used before and before, but of course the beauty of 3D printing is that I can change the design each time to match the speaker and hardware used. (Parametric, FTW!)

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Here’s a short video that demonstrates the noise that this thing makes. The first four knobs adjust the pitch for the four steps, with the fifth knob used to adjust tempo, and the top right knob as a volume control. The LEDs light up showing each step of the sequencer.

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I also decided when I started to build this that I really wanted one for myself. While I love seeing my artwork go out into the world, sometimes I miss it. Since I was building one, I thought it would be easy to build a second one. Well, it was (fairly) easy, but it was also time consuming. I also had this idea that if anything went wrong, I’d have a backup. Nothing really went wrong, but I did finish the one for WMSE about week before I finished the one for me.

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If you’re ever curious about the process I go through when building these sorts of things, you might want to head over to Instagram and follow me there. For instance, I posted a photo there… and another, and another, and a video

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And then I posted more, and then I probably posted even more. So yeah, Instagram tends to be my “in process” photo & video place.

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And if you’re not hip to Instagram you might find a photo or two (or three) over on Facebook. Not as much shows up there, but we’re still friends, right?

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Enjoy the show!

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Note: The piece sold for $510! I’m really pleased I was able to support WMSE with this, and I’m thankful a bunch of people liked it enough to bid on it.

2007.02.08

A while ago I hinted that I might be coming back to Milwaukee, at least to work, and it looks like if all goes well, that will be the case, at least for the next three months…

So it’ll be back to the Third Ward for me, with “regular” work hours. (That in itself should prove interesting!) It’ll be a nice change from running all over the Lake Country to get my work done.

I’m still keeping it hush-hush, but it looks like I may be doing some really interesting work with a local company that has a great vision of how the web should work.

Who knows? I might be able to make some great connections to further Web414 while I’m at it. I’m also really looking forward to spending more time in Milwaukee. Maybe I’ll do that guest appearance on WMSE now. ;)

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