First DIY usable LED ring on the market?
First DIY usable LED ring on the market? Posted on: 17.02.2011 by Demetra Pinizzotto I found this while browsing the web.HERE Is this the first DIY LED ring on the market. Is it just me, or is this the first one on the market? anyone know more products like these? let me know! | |
| Arcelia Siebeneck 05.04.2011 |
Originally Posted by DjNecro
nice one |
| Marissa Ghaznavi 28.03.2011 |
Originally Posted by MiL0
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| Arcelia Siebeneck 05.04.2011 |
Originally Posted by DjNecro
nice one |
| Demetra Pinizzotto 05.04.2011 | Nice! cant wait to see the first DIY projects with these things in them. It's a big step towards the commercial stuff. |
| Louisa Oberc 05.04.2011 | I'll post a video tutorial about that tomorrow, for now take a look at the install instructions: http://code.google.com/p/ledrings/wiki/Installation Gotta get to bed (and install screen cap software).. Take a look at the wiring tutorial I posted, it should sort out any wiring issues.. What arduino board do you have by chance? |
| Arcelia Siebeneck 05.04.2011 | nice one man - I had a quick go at wiring it up last evening
and didn't have much luck getting your code working. Think it was more to do with my wiring, rather than your code! (I soldered headers to the board but I'm pretty bad at soldering so there may have been a bad connection somewhere). I also accidentally soldered the header onto the top of the PCB (instead of underneath) which was pretty stupid... How do you load your library files into the Arduino IDE? do you even need to? |
| Louisa Oberc 05.04.2011 | First tutorial posted. It covers the basic wiring of the LED board on a breadboard. http://www.youtube.com/watch?v=GTV3kKvJu8E (watch in HD ) |
| Louisa Oberc 04.04.2011 | The project now has a home over at google code... Documentation/commenting will be worked on today. Along with demo videos showing the wiring and results of the demos.. http://ledrings.googlecode.com |
| Louisa Oberc 04.04.2011 | Thanks I have plenty of space for the hosting... it's the lack of time However I believe i'll host it with google code, since it gives me the basic site required, as well as good issue tracking... MiL0: I am in Southern Ontario, Canada.. |
| Marissa Ghaznavi 04.04.2011 | Great work DjNecro! I'll be testing it out here sometime this week. Let me know if you need a place to host the Library. |
| Arcelia Siebeneck 04.04.2011 | nice one man I've had a few commitments that I've had to attend to but as of toevening I've got spare time to work on my DIY controller and Arduino stuff so I'll definitely have a look at your code just out of interest, whereabouts in the world are you based? |
| Louisa Oberc 04.04.2011 | Well here it is! I tested it as best as I could. All of my testing was with 3 ring boards chained together, but you can address any ring independently, and with proper config (one line) it should work just fine with fewer or more (up to a limit of 255, or the speed of the processor)... Full commenting has not been finished, but there should be enough for now. Zero documentation, however the examples should be fairly self explanitory. Check the header file for all available methods. Install:
Support:
License: Released into the Public Domain, do whatever the hell you want with it, just please credit me. First Release. Version: .5 beta
3 Examples included:
Download Link: ledRing Arduino Library v0.5b ATTN Developers: I have the source for the library in an SVN repository, if you would like to check out the source, let me know and I will open it to the public... If you want to contribute, also let me know and I'll setup a branch and an account for you to help improve things |
| Marissa Ghaznavi 01.04.2011 | For anyone who is interested in getting some of these, they are now in stock and available for purchase at Sparkfun: Red LED: http://www.sparkfun.com/products/10408 Blue LED: http://www.sparkfun.com/products/10407 Green LED: http://www.sparkfun.com/products/10409 Thanks for the support! |
| Louisa Oberc 28.03.2011 | Here's the first test of using traktors midi beat phase output to pulse the leds on beat... Let me know what you believe... I'm not all that happy yet... I'd prefer to use the low eq levels, but traktor doesn't provide that output as far as I can find... http://www.youtube.com/watch?v=ZdUaca4MYGM |
| Louisa Oberc 28.03.2011 | Ok... well... ha! PWM was easier than I expected... I used the Output Enable line (OE) hooked up to one of the atmega's PWM pins... After that it was as simple of an analogWrite() to set the brightness... A couple of proof of concept videos below... I hope to have a midi related demo online toevening sometime... The first video is a pure proof of concept... will pwm work at all using the OE line... Result: YEPPERS! http://www.youtube.com/watch?v=JKgEsfhYg9Q The second video takes it further to ensure the pwm timing doesn't interfere with the display timing... Result: YEPPERS! While the flashy demo isn't suitable to see it all the time, you can see that it works without interrupting the animations... http://www.youtube.com/watch?v=tnO7dgDSUyo Stay tuned for more |
| Louisa Oberc 28.03.2011 | Faux PWM eh? Hmmm.... That may be a bit of a trick to get working efficiently... There's only so much CPU time available on atmega's But I will certainly attempt it... First though that comes to mind would be to pulse the OE line to get your duty cycles... Another method would be to keep track of the number of cycles and zero out the display every X cycles... MMMMM PLAY TIME! You may also want to investigate the tlc5940's... they offer built-in PWM control, but they are quite a bit more costly... $1.76@3000 or $4 each... http://focus.ti.com/docs/prod/folder...t/tlc5940.html |
| Marissa Ghaznavi 28.03.2011 |
Originally Posted by MiL0
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| Arcelia Siebeneck 28.03.2011 | how much are they going to retail for you believe? |
| Marissa Ghaznavi 28.03.2011 | DJ Necro - A big THANKS for putting the videos together and exploring some possibilities!
Originally Posted by DjNecro
Just an update: SparkFun should have these up for sale on Thursday this week; I'll post a link when they post them! |
| Louisa Oberc 28.03.2011 | "hand frosted" yeah clear plexi + sandpaper = teh crap! I only used it to show what it would look like somewhat diffused... the leds were over 3cm away from the plexi.. much further than they usually would be. I want to clean up the code I have (and perhaps make a library out of it) and I hope to get it posted toevening ... Any specific functionality you could see being required? I have the normal ones, turn ring on, turn ring off, turn led on ring on/off, setRingState, etc... Would there be interest in some sort of animating ability? right now it would be up to yo in how to animate, but I'm sure I could whip up some sort of animator (similar to the demo code from the documentation). Gotta run! a client's server is down stupid computers.... |
| Arcelia Siebeneck 28.03.2011 | haha nice one! although i'm not sure how useful the led's would be behind the 'frosted' perspex? kinda hard to make out what position they're at I believe? more of a visual thing, rather than practical. looking forward to seeing some schematics of how you wired it up and some more code |
| Louisa Oberc 27.03.2011 | Hopefully I will have the time to get some sample code posted later today... I have played and played and am loving the design of these things! The blue leds are bright enough out of the box, and in order to get the red/green units at the same brightness you will need to add a 2k resistor on the red, and a 1k resistor on the green unit (instructions will be posted eventually). In the mean time, here is a HD video of various flashy effects. I took 4 videos of the same demo, one each with lights on/off and with/without a diffuser.. Check it out! http://www.youtube.com/watch?v=NKgXXLNhnQI |
| Arcelia Siebeneck 25.03.2011 | My demo units arrived the other day as well - thanks mr mayhew nice videos - gonna have to try and get mine setup over the next few days as well... probably going to use mine as VU meters. |
| Louisa Oberc 25.03.2011 | I finished my work early and got to play a little more The first demo just shows the ring's leds being lit up one at a time at varying intervals. * bonus points for naming the TV show in the background, extra bonus points for naming the season and episode number * http://www.youtube.com/watch?v=IJrLZGCe8a4 The second demo shows the ring acting as a single channel vu meter, with the bottom led acting as a beat light. http://www.youtube.com/watch?v=cepCbgGSTyI |
| Louisa Oberc 24.03.2011 | BUMP!!! Got the samples in the mail today and couldn't wait to start playing. This is going to be a quick teaser post since I have work stuff that needs completing... First impressions: Very well built, nice clean traces, even soldermask across the board, silk screen is very well defined and very readable. My only suggestion would be to offer a second model type that rotates the leds 90 degrees (putting the connector on the left or right side). This would allow a smaller spacing between encoders that are mounted in a column. As it sits now, it is perfect for horizontal spacing. I followed the directions provided and had the board up and running in less than 10 minutes (5 to solder, 5 to wire). I copied and pasted the example code and it worked perfectly the first time out of the gate. (There is one minor cosmetic bug due to referencing an array out of bounds, but that's not an issue since this is demo code). I'll be making a more detailed post with plenty of assembly pictures, but for now these will have to do: Oh, and a video http://www.youtube.com/watch?v=uZ66PkNUgZI |
| Arcelia Siebeneck 10.03.2011 |
Originally Posted by Mayhem
emailed! |
| Random X 10.03.2011 | Wow, this could be the first step of modding a BCR2000. |
| Louisa Oberc 10.03.2011 | One quick question that just popped into my head... Are the 5925's capable of PWM by chance? I haven't worked with them yet (played with plenty of 595's, 4021's etc) and haven't had a chance to check the datasheet. I can see using PWM to display the value by brightness as opposed to individual leds being lit an PWM would be required for that. |
| Louisa Oberc 10.03.2011 | You rock! Email sent... May I also inquire as to what you intend on selling the finished units for? Also, it would be seriously cool to see rgb's on there... though they are larger and you'd have triple the number of leds so routing the traces would be a bitch, but it may be possible... I have some neat ideas for rgb's What about r/g's though? and extra 5925 should be all you'd need since they're spi they are easily chainable... it seems as though you should have plenty of room on the bottom layer to fit the extra traces... rotating r ext and the smd one 90 degrees clockwise should make enough room for the second shift register. Heh I'm digressing... Thanks so much for your kindness, and your design... I haven't seen anything designed for this exact problem. There's lots of round led modules, but no complete units... until now |
| Marissa Ghaznavi 09.03.2011 |
I don't suppose you would be willing to offer an "engineering sample" to a few lucky (and poor) DIY'ers such as ourselves? pretty pretty please?
Right now we only have 5 blue, 5 green, and 5 red units (manufacturing samples), so first come first serve! email [email protected] and let us know what you have in mind. |
| Louisa Oberc 09.03.2011 | Thanks for coming over and saying hi! Awesome product btw, I wanted to do something similar for my work in progress controller, but when I realized the wiring involved I figured I'd wait until something comes on the market that fills that unique need... I don't suppose you would be willing to offer an "engineering sample" to a few lucky (and poor) DIY'ers such as ourselves? pretty pretty please? |
| Marissa Ghaznavi 09.03.2011 | Hello everyone, This is Mark from Mayhew Labs. We received a lot of website hits from this community , so I thought I should register and chime in! The dimensions are 38mm x 44mm (1.5" x 1.73"). The units are currently in manufacturing and will be available for sale sometime later this month, after we receive them and test them. Let me know what other questions you have. We would like to make the LED Ring work with as many applications as possible, even if it is in future revisions. We can also do custom versions. I'm working on a round-LED version for an individual who liked the idea but needed a different implementation. |
| Arcelia Siebeneck 19.02.2011 | here's another one: http://top-up.so-buy.com/front/bin/p...ategory=336089 can't see any mention of prices though :/ edit: and another: http://shop.conrad-uk.com/components...es/700608.html quite expensive though... edit2: aaaand another: http://www.ledtronics.com/products/P...spx?WP=C91K162 much cheaper but min 100 quantity buy :/ |
| Lewis Stumpf 18.02.2011 | I don't complain about space either I was just concerned about the space a few of these would take up inside a controller, is all. so long as I can keep button space at around an inch, then it's good. Should work in width too, but I'm not too fond of how "tall" the board is. |
| Demetra Pinizzotto 18.02.2011 | I couldnt find the exact dimentions either. one of the pictures with a knob on top is a 3/4" knob. that could give an idea. you're gonna need some space because of the LED ring, but space is good right? I almost never here someone complaining about space. more so about the lack of it. |
| Lewis Stumpf 17.02.2011 | That looks cool. From a quick look-through, it looks quality enough in design and build. It's a bit big though, so it might be a little difficult to stack them close together. Does anyone see a price point or physical size listed on the site? I'd like to have a hand at playing with a few of them, but I can't really spot the price. |
| Arcelia Siebeneck 17.02.2011 | yeah 4 would be enough for 4 gain controls on each channel... you could probably make them multi functional too... use a button to change the encoder so that it works as a filter or something. |
| Demetra Pinizzotto 18.02.2011 | I dont know anything about arduino, but you could add that muxshield (on the same link) that multiplies the amount of I/O's or am I wrong here. I also heard of other ways to expand an arduino. I dont believe you should want to make something like the livid code, but to just add 4 of these will add alot of functionallity |
| Arcelia Siebeneck 17.02.2011 | question is, how many of these could you use with an Arduino before you run out of I/O? edit: Also, this looks interesting: http://mayhewlabs.com/products "Touch Sensitive Rotary Encoder Breakout -coming soon-" |
| Demetra Pinizzotto 17.02.2011 | This will certainly be in my future controller. It is compatible with arduino, there are even example codes. DIY just got better |
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