DZ ILDA Breakout Board (3rd Generation)

[Lastcat]

Just a second thought, I have a PJ with just 1 DB25 input. If I had an input and an output, would it be easier to attach the Breakout Board then? Just by adding the BB in between the 2 DB25 connectors on the PJ?

[ImageLight]

Hey All,

I just recieved my Breakout Board from David and I have to say, The workmanship he put into this project is FIRST CLASS... Thanks Dave for all you do in making these cool products for us..

Mark

[DZ]

Just a second thought, I have a PJ with just 1 DB25 input. If I had an input and an output, would it be easier to attach the Breakout Board then? Just by adding the BB in between the 2 DB25 connectors on the PJ?

Hey Lastcat, I wonder if a better solution for you would be just a simple "Y" cable? ILDA in on one side and 2 ILDA out connectors. There's a nice example of this on ebay: http://www.ebay.com/itm/ILDA-splitte...item2c59a1e737

[Lastcat]

Thanks DZ, you are probably right. Unless I desolder the DB25 header on the ILDA Board, then try and splice in the BB. Thanks for your help, I'll check into that, and see if the signal degrades for the 2nd PJ, if at all. Cheers, LC

[DZ]

Thanks DZ, you are probably right. Unless I desolder the DB25 header on the ILDA Board, then try and splice in the BB. Thanks for your help, I'll check into that, and see if the signal degrades for the 2nd PJ, if at all. Cheers, LC

Hi LC, I've seen solid state drivers with input impedances anywhere from 1K to 100K. 10K is a happy medium. If you put several projectors in parallel and they have 1K input impedance, then you will have problems. Just 2 projectors and you should be fine. At SELEM we've had 10 or more projectors in parallel which is why we needed the 10 channel buffer/splitter.

[Lastcat]

Thanks for your help DZ. I think I found what I was looking for.

http://danielbriggs.co.uk/laser/matilda/

This should help me to send to 4 different PJ's

[sugeek]

very nice work David, I have the prior generations in use and really like this revision. If you think you may need one in the future buy one, worst comes to worst you have barter material.

-Adam

[DZ]

Hi all, I had a PL member bring a possible issue to my attention. After further investigating, I have found a problem, thankfully, the issue isn't with the board! The problem is with the invert switches that I include with the breakout board kits. For now, I will continue to include the switches until stock is depleted, after that, I will include the plug and cable wired up and ready for you to solder on your own DPDT switch.

Here's the problem, when switching, the image may partially or fully collapse on the axis that you've inverted. Cycling the switch a couple times should resolve the problem. Exercising the switch several dozen times should reduce the likelyhood of it occuring.

I did some investigating and have found that the inside of the switch has an amount of greece on the rocker plate that may be excessive. I suspect that when the rocker is flipped from one side to the other, it could end up floating on a very thin layer of greece and present a great deal of resistance. Since we are dealing with low voltage it just may not be enough to break down the dielectric of the greece. I have found that switching much higher voltage doesn't seem to have any issues. So, exercising the switch repeatedly should help to reduce this problem and might eliminate the issue all together. If it doesn't, I'm more than happy to refund the cost of the switches themselves, ultimately, the switches represent .92 cents of the total cost of the breakout board kit. These are simple Double Pole Double Throw (DPDT) switches that can be picked up just about any electronic part store and would be very simple to unsolder the existing switch and solder on a new one.

[dsli_jon]

fwiw / fyi, I can recommend these little puppies:

http://www.conrad.com/Flip-switch-R1..._17385_0216100

..nice, 'beefy' / low-profile paddle, DPDT, and clean smooth action... egg roll is extra, tho...

j

[LaNeK779]

the level of workmanship in these is simply breathtaking!!! aaaaall that soldering!!!! o h!
thanks so much DZ!

it makes me feel all warm inside having a small pcb that reads "www.photonlexicon.com" on one side of it (plus the ilda pinout ledger on it, nice one that is! i'm sure i'll find it usefull one day on the field, despite that i am already starting to memorize it)