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Author: dach on April 01 2007 Viewed 3923 times. 27 people liked this blog. You can rate it below if you haven't already.
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So, this weekend I got some more of the hardware done. The color RGB leds are working properly now, and each panel on the sequencer lights up around the edges, and the colors slowly fade and mutate. Sadly my camera isnt picking up the shiny, wet crystal look of the plexiglass very well.
I spent some time getting the red and white step leds into place this weekend. The red leds are the clear plastic type, and are panel mounted, sitting just over the buttons. They poke up through the plexiglass and light up with a beautiful clear watery color.
I spent a lot of time on the white leds set into the button itself. These white leds are located inside the sequencer chassis itself, soldered onto a board in there. I drilled a 1mm hole in the top of each led and inserted a short fibre optic cable. This is threaded through a small hole in the button. A lot of care and frustration went into this design because the fibre optics are not particularly bendy, and they need to flex a little as the button goes up and down, hence the 90degree bend. You can see a close up of both the front and the inside of the step buttons in the attached pictures.
The white leds are very bright, and so some light leaked out from the inside through the screws and bots and around the red leds. I've since painted over the white leds with black acrylic to get rid of this.
The last picture shows the insides (upside down). I still have to build and install the motherboard, but I've got it pretty much designed and working on the breadboards already, so hopefully that will not take too long. The observant among you might notice that I've etched the boards manually by drawing out the schematics with a marker direct on the copper, and then mounting the components on the copper side. It's a lot easier to see whats going on. Jumpers are located on the other side of the boards.
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08/10/07
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dach
Naaa you didn't miss anything, I simply havn't had any time to work on it for the past few months due to a new job and buying a new synth. But I've recently started poking around at it again, so with some luck I'll get the hardware done soon. And then I can play with it, and rest, and plan a new software version for next year
01/15/08
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delete
every single time a pic of this sequencer comes up as random pic i can't resist clicking. any development?
03/03/08
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celibacyclub
yeah whats up dach?
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