Side x Side Copper Bullet - V.V. w/ Digital Pot & Touch Switch

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CraigHB

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Jul 31, 2010
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I just dislike through hole resistors and caps, to bulky.Dan

Agree on that one. Been working with electronics for decades. I switched over to SMD on my personal projects a long time ago. At first I was thinking it was going to make things harder, but it's actually easier and faster. Plus, there's no drilling. I got real tired of drilling holes in my home-brew PCBs and I've drilled a lot of them. You can do your own reflow soldering with SMD as well.

Just have to get over the idea of it being more difficult, it's not. Don't really have a choice these days anyway. None of the new chips are available in thru-hole. 10 years ago, you had the choice, but not anymore. Thru-hole is pretty dead, just the last vestiges of parts out there now.

The only benefit to thru-hole is that you can make stuff without using a PCB, but making PCB's is not that hard. It's actually harder not to use a PCB. Lots of resources for making PCBs on the net, just search on "PCB laser printer transfer". You can also have them manufactured which isn't all that expensive. I make the simple ones myself, but the more involved ones I have manufactured.
 

breaktru

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The tubes are adjustable by just sliding in or out. They can hold many types and size batteries. You can fit two 18650's (18mm diameter) down to 18350's. For smaller diameter batteries such as 17500 (17mm), 16340 & RCR123a (16mm) and 14500 (14mm), a filler tube can be placed around the battery.
side-x-side-slide1.jpg
side-x-side-slide2.jpg
Photo to left has the 18650's
 

breaktru

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Touch Switch update:
I had posted in a thread called "Touch Sensor Drawback?" about the Mosfet staying on with a wet finger touch.
I have since raised the center contact point about 1/32 of an inch above the flush position that I originally had and that has prevented the mosfet from staying on when I touch it with wet fingers.
 

breaktru

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Nice Breakthru...I might make one of those for my friend who is a plumber...He'll get a kick out of it...

Question...how do you stop the patina from forming on the copper pipe or do you polish it constantly?...

Yeah M.M, a plumber will surely love a copper pipe mod. LOL

I use #0000 grade steel wool about once a week. Takes about 5 seconds to make it shiny bright again.
Warning, leave the atty on so not to get any tiny metal hairs into the battery to atty connector. Don't wan't to cause a short. There so dam small and you may not notice it.
Also, be careful if you're buffing w/ S.W. with the tubes off. That stuff can get inside the circuitry and short out the internals.
Haven't tried the Scotch pads. They may work but I'm sure it would be more effort to shine to a bright finish.
 

Darkreign

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Aug 3, 2010
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Personally, I like the patina look on mine. I even took a crack at using Liver of Sulfer to etch designs in mine, and made a new copper for my cousin and etched her name into it this way. I like the LoS because if I dont like the design for some reason I can pull out the steel wool and start fresh again.

Liver Of Sulphur - BLICK art materials
 

Darkreign

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It is just like an Ultra fast Patina affect. I just cleaned mine off a few days ago when I had to replace a faulty switch. I will see if I can either find pictures of it before or I will do a test patina so show the affects. I like it because you can either use a brush to create designs or mask off areas or just dip the entire mod (without electronics inside of course)

It will clean off with mild abrasion like the steel wool, but I never noticed any loss of design with normal handling or juice.

Here is a link to the video I just made of the process.




If you dont want the patina to darken so fast, add more water to the suggested solution mixture and use cold water. In this video I used the recommended mixture at room temperature.


Crap, I just realized I spelled your name wrong on the Patina... Sorry man.

FYI: I used a wax relief to create the lettering and the differences in coloring.
 
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