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Recent content by Dude22

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    Wanted: Function Generator / Oscilloscope / Variable power supply

    Hi, I am a 16 year old student looking for a Function Generator, Oscilloscope and a Variable power supply shipped to Canada. It can either be 1 lot, or individual units. Let me know what you have! Thanks, Josh
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    bi directional communication to multiple nodes over 1 wire

    All of these systems just seem like overkill to me, I understand how they work, but it seems in some ways unnecessary to me... Even if it means slow speeds (I am only turning on and off leds/relays). There must be some way to do this without always having to communicate at the zero crossing....
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    bi directional communication to multiple nodes over 1 wire

    While I still don't agree that running this through the ground wire would cause issues as you say, I think that I am going to have to go with the TDA5051A as you recommended (or some other similar system). I want to be able to control the leds (or relays) over the internet, I am thinking that I...
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    bi directional communication to multiple nodes over 1 wire

    Could you please clarify on why using the ground wire as a data line would be unwise.... As far as I can tell with my (limited) electrical knowledge there shouldn't be any problems. And to clarify, i have enough "experience" to not injure/kill myself when working with 120 AC, and above...
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    bi directional communication to multiple nodes over 1 wire

    Cool, thanks, I like the idea of using a multiplexer. As far a you know, could I run data from the control module to the multiplexer, then run the single output to the nodes, where the wire is demultiplexed back into 2 wires...? Or am I not understanding how they are used?
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    bi directional communication to multiple nodes over 1 wire

    What this will be used for Ok, Sorry I didn't just say this from the beginning, what I want to be able to do is control the leds through existing house electrical wiring. The reason I want to use only 1 wire is that sending information over a line with ac power going through it is...
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    bi directional communication to multiple nodes over 1 wire

    No, thats not quite what I am looking for. The signal should be sent over only 1 wire wire TOTAL. Also I just used leds as an example, what would actually be more likely is that It would be triggering a relay. I have done a LOT of searching for a pre made solution, but, there doesn't seem to...
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    bi directional communication to multiple nodes over 1 wire

    Hi, I have an idea for a project, and although I "think" it should work, I have no Idea how to implement it. Any help/hints would be GREAT! As you can see from the image, there is a control module, that is connected to each module with only 1 wire, and just to clarify, that isn't 1 wire for...
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    Plasma Speaker Troubles

    Hi, I am having some trouble with a plasma speaker that I have built based on this instructable:http://www.instructables.com/id/A-reliable-plasma-speaker/ I got it all breadboarded a few days ago, but haven't been able to get it working, When I plug it in, and try to play music through it...
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    Powering device with batteries

    take a look at what KJ6EAD said as it is a valid point, if you can afford it the system he recommended would be GREAT.
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    Powering device with batteries

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    Powering device with batteries

    I also found this 12 pack of batteries on this site: http://www.all-battery.com/12pcsofdsize10000mahhighcapacityhighratenimhrechargeablebatteries.aspx
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    Powering device with batteries

    Based on what you have said, I think your best bet would be to use Tenergy D cells as they hold a lot of ma (10,000 each) and just work great. You could use 6 batteries per converter/extender and that would ideally give you 10 hours. Aside from batteries, you should also slap a 5v regulator on...
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    Powering device with batteries

    But that is still going to cost a lot even using larger cells. If you could tell us how long you hope to have them operating that would be great. Another possibility would be a rechargeable battery pack; but in order to find a type that might work for you, we still need to know how long you...
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    Powering device with batteries

    It depends on how long you want to power the device for. If you want to use AA's then you can't get exactly 5 volts, you can either get 4.5 or 6. I would recommend 4.5 as batteries actually start a bit above what they are rated, so you will be peeking at around 5 volts. Lets say you use 3...
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