"Help!" for: Electronics

[Fireryne]

Equation time
(9 battery volts - 3.2 LED votls) / .020 LED amps
= 300 ohm

Myself, I use 500 ohm resistors with 9V batteries because they are more common. In your case, you should be able to find 330 ohm. That is a common resistor too.

Thanks thatdecade, i was looking at resistors and i dont understand any of the stuff that it says that im looking at. Resistor Carbon Film 300 Ohm 1/2 Watt 5% here is a direct link http://www.jameco.com/1/1/28294-cf1-2w301jrc-resistor-1-2-watt-5-carbon-film-300-ohm.html

Would this work? Im at the stage of trying to figure out what im doing and getting ready to start designing my setup.

Thanks
Fireryne

 

[thatdecade]

Yeah it would work, but how many do you need? You're going to be paying $5+ for shipping for 10 cents of parts.

Here is the resistor you should buy from your local radioshack. Is 330 ohm, which will make your LEDs just as bright as 300 ohm.
http://www.radioshack.com/product/index.jsp?productId=2062319

 

[Fireryne]

Yeah it would work, but how many do you need? You're going to be paying $5+ for shipping for 10 cents of parts.

Here is the resistor you should buy from your local radioshack. Is 330 ohm, which will make your LEDs just as bright as 300 ohm.
http://www.radioshack.com/product/index.jsp?productId=2062319

Thanks, thatdecade. That helps me out a lot actually.

 

[thatdecade]

No problem dude, good luck.

 

[MacTrigger]

Heya, this may be in the wrong thread but I've asked myself if there's anyone out there who knows how many LED's the chief has in his suit.
I've installed the ones in the helmet some days ago but I kind of want more (especially because they'll look awesome when I wear the suit on halloween again)
I've found a pic of one suit worn in the Spartan Ops mode http://images.vg247.com/current//2013/01/Halo_4_Spartan_Ops_Ep8_Cinematic_04.jpg
So if anyone has got a list where to put some lights into the suit, that'd be very helpful

 

[Fangoroth]

Hello all. I've tried to troll the forums and do as much research as possible before making a post, but sadly electronics are a field I have NO experience with.

I'm attempting a Grey Fox build based on Darkside501st's pep file, re scaled a few times to this. http://www.4shared.com/file/a1uF8P2K/Gray_Fox__Cyborg_Ninja__Helmet.html . I have in mind to use servos and some kind of metal supports ( Similar to some iron Man builds I've seen) to open the lower faceplates, raise the upper plate, and retract the lower portion of the back (on the pep file it will be the lower 3 faces on the back, below the indention) so that the helmet can more easily be taken on and off. And of course the obligatory LEDs in the middle. Unfortunately, my local Micro Center had no one with much knowledge on servos, so I have no idea how much space to allow for either servos or control boards. As for power, I had intended to store however many batteries were needed in the retractable portion of the neck, as it seems to have ample storage space. I don't know whether to try and put my entire plan into one post, or wait until someone gets back to me, so I think for now I will keep it simple. I would prefer the helmet to be self contained if possible, as having wires and controls running out into a suit just feels wrong. So uh.... yeah. Any help on this would be greatly appreciated.

 

[thatdecade]

Hi Fangoroth,

It sounds like you know what you want to do with the electronics and how to do it, and just need help making it fit inside your costume (clearance, attaching things, etc).
Because your build is a bit more complicated than we handle in this blanket noob thread, please create a new thread. You can post the new thread link here or PM to me. There you can post all the details and pictures we would need to help you out.

You have what seems like a cool build. 4shared has gone downhill in recent years... I wasn't able to see your file, sorry.

 

[Fangoroth]

It's less knowing how to do it and more being told " You have to have this". Also, any suggestions as to where to upload the file? Not used to being on the upload side of the internet, and all I seem to see here are 4shared links.

 

[Katsu]

If you are trying to point out a PDO, you're going to need to just get that 4shared link working, or let us know where you got it from originally (if possible), or look into finding some webspace out there. I miss the old days of Geocities when you could just dump files into a raw online space and direct link them. Alternatively you can take screencaps of the file and upload them to flickr or photobucket.

And not to be cynical, but I see a lot of builds come and go with grandiose animatronic plans. Try not to overextend yourself or get your hopes too high on some Iron Man magic. Most servos I see are fairly bulky, and most helmets with this sort of functionality are very tiny with not much clearance for servos big enough to give driving power to actually raise and lower components. Take a look at some servos and what they can do, and decide whether or not they'll really be able to fit in your helmet. It's hard to say without seeing what the piece looks like, whether you could fit good servos in it.

 

[Fangoroth]

I don't know that most of them would even have to be that powerful I found SOME at microcenter that were fairly small, but i don't really know what would be needed for this.

Anyway, new thread is up. Thanks for not heckling me out on my first outing. http://www.405th.com/showthread.php...verambition-at-its-finest?p=677810#post677810

 

[thatdecade]

Looks good, I will watch there for updates

 

[hock]

Ok so I have lights on my helmets and other pieces of armor, but I want to do something different with my sniper rifle build. I am trying to figure out how to take a cheap video camera, take it apart and build it into the scope. Has anyone tried this or have experience with "breaking".... dismantling a camcorder?

 

[GenericCola]

Ok so I have lights on my helmets and other pieces of armor, but I want to do something different with my sniper rifle build. I am trying to figure out how to take a cheap video camera, take it apart and build it into the scope. Has anyone tried this or have experience with "breaking".... dismantling a camcorder?

If you want to do this, I'd recommend a web cam. You probably won't find anything cheaper, and there are plenty of tutorials on the web for "hacking," them for various applications.

 

[thatdecade]

They also have the automotive backup camera / screen combos. Tiny screens that they put in your rearview mirror.
http://www.amazon.com/Rearview-Monitor-screen-Backup-Camera/dp/B005CFLMNC

If you want to take apart your camcorder, do it. lol. Come to terms that you will never be able to put it back together. Have fun taking it apart, seeing what's in there. You will find a tiny flat ribbon cable connected to the LCD. That ribbon cable has around ~100 little wires.

To move the LCD away from the rest of the assembly, you will have to replace that ribbon cable with something longer. If you get that far, let me know. I can help you find something. In theory the replacement ribbon would be plug in play of the old one. Search google for Flexstrip, need to match the number of wires and pitch of the original cable.

edit: added amazon link to backup camera display

 

[mkshane81]

Ok so I have lights on my helmets and other pieces of armor, but I want to do something different with my sniper rifle build. I am trying to figure out how to take a cheap video camera, take it apart and build it into the scope. Has anyone tried this or have experience with "breaking".... dismantling a camcorder?

Take a look at what LeeKegan did with his H3 sniper build. Starts on the page below, and continues through:
http://www.405th.com/showthread.php/15549-Halo-3-Sniper-Rifle/page24

Hope it helps
-Matt

 

[thatdecade]

Thanks for the link, that was a sweet build. Some videos of his scope are here:
http://www.youtube.com/user/grandun66/videos

 

[hock]

I just want to say thank you. mkshane81, thatdecade and GenericCola you guys have saved me a lot of time looking for this info, and a lot of money playing around.

 

[mkshane81]

I just want to say thank you. mkshane81, thatdecade and GenericCola you guys have saved me a lot of time looking for this info, and a lot of money playing around.

Happy to help out buddy. Good to see another local member to Ohio as well!

-Matt

 

[BuildsByBaz]

Hey guys.

Looking for some links to some super bright blue LED's for my Iron man eyes, plus something to power them with. I want eyes illumination to be visible in daylight.

Also, just curious if there are any small screens out there I could put in the mask with a camera in the chin to give me better vision then the slots under the eye lenses.

SB.

 

[Carpathia]

Hey guys.

Looking for some links to some super bright blue LED's for my Iron man eyes, plus something to power them with. I want eyes illumination to be visible in daylight.

Also, just curious if there are any small screens out there I could put in the mask with a camera in the chin to give me better vision then the slots under the eye lenses.

SB.

I'll tell you right now that any sort of screen you may want to put in (assuming you can even find something that small) would be far too close to your eyes to be effective.