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Thread: Mr. Christmas LSOS hack

  1. #21
    Join Date
    Oct 2007
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    Ohio
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    Default Re: Mr. Christmas LSOS hack

    yes it would, the question being choosing which output ports on the arduino, and wiring in some optoisolators to activate the relays without frying the arduino. i'm still tempted. My unit is going to my motherinlaw's house this year so maybe after christmas.

  2. #22
    Join Date
    Oct 2017
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    Default Re: Mr. Christmas LSOS hack

    The only reason I want to go the parallel port route is because there was a tutorial on how to do it. I know nothing about arduino and don't have a clue what an optoisolator is! LOL

    The problem with the parallel port tutorial is that parallel ports are now obsolete, causing me to try to figure out a work-around with this usb to parallel adapter. For about 20 bucks, I got a couple adapters and figured I'd give it a shot. I already had Cat6 cable laying around, and the FM Transmitter I bought for this mod I will use when I upgrade to Renard controllers or something similar in the future. So, I'm not really out much, other than my time, if this doesn't work. I just figured it would be nice to get started with creating sequences for six channels so that when I upgrade to more it won't be so overwhelming.

  3. #23
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    Oct 2017
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    Default Re: Mr. Christmas LSOS hack

    Well, i think I'm giving up on this experiment. Been messing with this for a few days now and haven't been able to get it working. It would have been a nice starting point to learn Vixen, but I guess now I'll just have to jump in and do it the right way.

  4. #24
    Join Date
    Oct 2017
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    Buchanan, GA
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    Default Re: Mr. Christmas LSOS hack

    Quote Originally Posted by elmatth1 View Post
    Well, i think I'm giving up on this experiment. Been messing with this for a few days now and haven't been able to get it working. It would have been a nice starting point to learn Vixen, but I guess now I'll just have to jump in and do it the right way.
    Hate to hear that. was looking foward to hearing you got it working.

    Sent from my SM-S920L using Tapatalk
    FB @ langleylights

  5. #25
    Join Date
    Oct 2019
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    University Place. WA
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    Default Re: Mr. Christmas LSOS hack

    This thread is what brought me to this site a few years ago. I just tore my box open again to remind me what was inside. I really like the heavy duty heatsink setup on the Triac board. I might have to design a D/A interface for DMX control. Depending on the research time I will need to invest, it may get done soon. The parallel port hack will at least get me started on the analog signals needed to operate each triac. I will report back.

    First look I'm thinking to directly control the Triacs with a solid state relay board controlled by my Raspberry Pi4 that's running my show already. I haven't tapped into the pin controls yet, just using the ethernet. A board like this could make it a cheap project.
    https://www.amazon.com/AiTrip-Channe...s%2C203&sr=1-1
    AiTrip 8 Channel 5V Solid State Relay Module Board High Level Trigger for Arduino Uno Duemilanove MEGA2560 MEGA1280

    Thought process is these relays don't hanel high current but the Mr. Christmas board does, so use the SSR to trigger the Triac. No encoding needed on the MR. C
    relay board.

    After further research, this may not be necessary. The Triacs are controlled by MOC2023 optical couplers.
    OptoCoupler.JPG20200903_220504.jpg
    They look to be able to be triggered by a 5vdc level. This could be handled direct from the Ras-Pi or an Arduino. I will test with a voltmeter. This could become a real cheap project. Okay Success! Each of the pins of the ribbon cable are +2.5VDC triggers, and yes the red one is ground. Don't ask me why someone would do that, makes no sense.
    Last edited by TomsLEDs; 09-04-2020 at 02:03 AM.
    Love LEDs!

  6. #26
    Join Date
    Oct 2019
    Location
    University Place. WA
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    Default Re: Mr. Christmas LSOS hack

    So I did a dc test by putting 2 aaa batteries in series and using pin 1 & 2 form the ribbon cable and applied 3vdc. The R1 AC receptacle lit up the string of lights. Proves my theory of low voltage control.
    20200907_134205.jpg
    Love LEDs!

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