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  • maxcady's Avatar
    Today, 18:30
    im using LSX Basic. im doing coloredmirrorball advanced expressions tutorial video, any idea why my laser is all "dotted/kinked" compared to his? after i took this photo, i turned "repeat" in the point inspector to "1" on all points. one was set to 6 and one was set to 15 when i had originally...
    605 replies | 99158 view(s)
  • Laserbuilder's Avatar
    Today, 12:39
    Thanks for sharing. This is an incredible addition that covers another side of your huge work for saving the history of lasers and their applications.
    1 replies | 127 view(s)
  • Humphry's Avatar
    Today, 12:32
    Hi guys, Looking for some assistance with some long term signal/ground issues my laser projectors are experiencing. Happy to pay for your valuable time, as this has all been plaguing me for too long now. Questions include: - When I use multiple lasers (typically 4 or more on a single...
    0 replies | 45 view(s)
  • dkumpula's Avatar
    Today, 12:04
    dkumpula replied to a thread LDI 2018 in Laser Meet-N-Greet
    Swamidog took nice pictures, but absent his, here are a few pics and videos. This is the world record breaker for number of laser projectors used in a show. I didn't see it in person myself, but it was damn impressive:
    8 replies | 267 view(s)
  • kecked's Avatar
    Today, 10:55
    kecked replied to a thread LDI 2018 in Laser Meet-N-Greet
    and the pictures please (drum roll................) really curious what this is all about
    8 replies | 267 view(s)
  • kecked's Avatar
    Today, 10:54
    I was wondering......have a good holiday all
    8 replies | 212 view(s)
  • gilbard's Avatar
    Today, 07:45
    kecked, I wasn't refering to you, like I said in my first post someone had told me that "light emitted by LEDs usually shows some preferred polarized direction" and "with a polarizer you will only see a small reduction of light". I'm pretty sure he isn't from this forum. I'll try to grasp this,...
    8 replies | 212 view(s)
  • CountFunkula's Avatar
    Today, 06:19
    Etendue is the total light flux collected from a uniformly radiating object with respect to the optical invariant. It’s usually used when you’re talking about the radiometey of an optical system. VERY GENERALLY, you can look at it as a property of the optical throughput of a system. Edit with...
    8 replies | 212 view(s)
  • dkumpula's Avatar
    Today, 05:35
    Thanks, Spitz, that's really kind of you to say! I love the 80s as well. I try to update several of my ~50 light/laser shows every few years and it helps when I chose music that I've loved for 30 years as I'll probably still like it over the next X years. That one you linked has been improved...
    606 replies | 133217 view(s)
  • mophead's Avatar
    Today, 05:12
    mophead replied to a thread SELLING : Laserscope 800's in Buy/Sell/Trade
    Guess that would have been helpful. Southeastern US.
    2 replies | 136 view(s)
  • kecked's Avatar
    Today, 04:14
    was just telling you what I saw with my eyes. Maybe the cable box display is not led. Little harse in the response. Drink less coffee. i can think of two quick ways to separate the p and q. Cube/plate and polarizer film. You toss half or more of the light away but that will do the trick. ...
    8 replies | 212 view(s)
  • gilbard's Avatar
    Today, 03:40
    I just checked with a polarizer, apparently leds are NOT polarized and I wonder how the person who said otherwise got his phd. OLED and AMOLED screens appear to have polarized light because they have polarizer film applied to increase contrast in cost of brightness. But there seems to be a $80...
    8 replies | 212 view(s)
  • radbis's Avatar
    Today, 03:03
    Hi, for 99% there is xy2-100 protocol cos rtc4 uses it. If you need it for engraving purposes go with HALaser. I recommend E1803 or E1701. First one is for c.a. 500 Euros and second one is for c.a. 250 Euros. The second one should be enough. Very good software for Windows and Linux is free, but...
    2 replies | 323 view(s)
  • radbis's Avatar
    Today, 02:50
    radbis replied to a thread SELLING : Laserscope 800's in Buy/Sell/Trade
    Hi, and the location is in Europe or US? Best
    2 replies | 136 view(s)
  • Yerkat's Avatar
    Today, 01:35
    Here is a solution. wondering why it isn't the norm and included with the 3d ready DLP projectors instead of powered shutter glasses.
    6 replies | 235 view(s)
  • Yerkat's Avatar
    Today, 01:33
    Yeah exactly like a HUD display.
    4 replies | 145 view(s)
  • absolom7691's Avatar
    Yesterday, 23:00
    Do you mean something similar to a HUD display? What is your application?
    4 replies | 145 view(s)
  • SpitzSTP's Avatar
    Yesterday, 19:52
    These videos are one of the coolest things I have ever seen! I watched that one, then another, and another. What an incredible inspiration! I especially like the Apollo Saturn rocket launch, Lunar Lander spacecraft projected in mid space on the floating screen, and floating space men in the...
    606 replies | 133217 view(s)
  • SpitzSTP's Avatar
    Yesterday, 19:40
    SpitzSTP replied to a thread LDI 2018 in Laser Meet-N-Greet
    I thought the same thing on my first trip there. I enjoyed looking at sequin theatrical curtains from Rose, stage lift mechanisms for grand pianos, confetti cannons, intelligent lighting, trusses, road cases, lasers, and much more. I kept going back to the GLP tent for repeat doses of how they...
    8 replies | 267 view(s)
  • kecked's Avatar
    Yesterday, 16:17
    Get a polarizer and try rotating it. Just did it the display on my cable box and it did dim a lot but not total. My iPad dims out totally. Btw. If you shine a laser on a phone or iPad it acts like a grating and makes a nice dot pattern on the ceiling.
    8 replies | 212 view(s)
  • kecked's Avatar
    Yesterday, 16:14
    kecked replied to a thread flexmod spikes-not in The Lounge
    It’s a dale resistor and it’s still inductive. The ones I have are from the last batch. Great design. Very reliable shame no more. The caps really helped. My breadboard supply is total garbage. Whenever I used a good supply no issues.
    2 replies | 108 view(s)
  • dkumpula's Avatar
    Yesterday, 14:29
    Those are just 5mw 650nm laser diodes, Spitz. It was originally just a black ball with these lasers in them (which replaced something similar that I had built based on a programmable STAMP module). I try to make most of my devices do double or triple duty so that the room is less cluttered. The...
    606 replies | 133217 view(s)
  • DZ's Avatar
    Yesterday, 14:24
    DZ replied to a thread flexmod spikes-not in The Lounge
    If I remember correctly, the earlier models had a wire-wound resistor for current sense. So there was a possibility of back-EMF killing diodes.
    2 replies | 108 view(s)
  • DZ's Avatar
    Yesterday, 14:18
    Hey guys! On the Z5 I have a crossfade circuit that switches XY from an internal signal to an external signal. It's similar to morphing in software. I have a completely different circuit to handle crossfade for RGB. Both circuit designs are configured to only handle 2 separate sets of input...
    6 replies | 143 view(s)
  • kecked's Avatar
    Yesterday, 13:53
    kecked replied to a thread Making torture tubes: Help in Lumia
    another way is to get some glass blower bits and heat the whole vial. Roll the vial in the powder when hot and it sticks. You need to cool this slowly over a few hours. I can make some if you want. Not exactly the same thing. Also there is a metal thing with points on it for making wallpaper...
    6 replies | 149 view(s)
  • kecked's Avatar
    Yesterday, 13:47
    kecked started a thread flexmod spikes-not in The Lounge
    Ok so I was looking at my flexmods again and I killed some diodes. Then I remembered the whole flap about this. I also just happened to watch the EEVBLOG on bypass caps. Well folks the flexmods are fine. Add a 10uf and a 0.1uf cap is parallel with the power to the board and your problems...
    2 replies | 108 view(s)
  • kecked's Avatar
    Yesterday, 13:36
    kecked replied to a thread lumia example and source in Lumia
    I almost have standing wave acoustic lumia working. ..... For fun tried I tried paramagnetic liquids. Hard to control. They were tossing a huge magnet so I got a chance to try is out. Sure not portable. Vibrating water works but the loss is high. Mercury would work but yea not in my house. ...
    7 replies | 284 view(s)
  • absolom7691's Avatar
    Yesterday, 13:30
    Bam! You answered every single question I had. Thank you! The vials I am going to use are small diameter and very thin wall so hopefully, I can anneal them easily with a large flame torch after the shaping is done. I figured I could try and get them heated evenly and let them cool evenly. We'll...
    6 replies | 149 view(s)
  • kecked's Avatar
    Yesterday, 13:27
    One last point. The trim pots on the ilda single ended input are there to reduce the voltage to the needed +/-5 for your projector. This board was made to run on bipolar 12-15v and the output signal would over drive any projector. Note the ilda pots are 47k and the Rvar pot is 500k. Single turn...
    13 replies | 591 view(s)
  • kecked's Avatar
    Yesterday, 13:18
    This is the schematic, the board, and a fab file. I use pcbartist. I order through the software. I have no way to offer the board to you other than this. I ordered three boards. All three are spoken for. If you want me to order for you I can do so. I used the mpy multiplier and the 411...
    13 replies | 591 view(s)
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