Dang that is so crazy cool. So I'm looking at your pictures and my youngest son walked bye and laughed. "Yeah right you think you can do that." He is my geeky son who loves to go to radio shack with me and we buy switches, led's and resistors together and just make odd stuff. I thought I needed to share that my son thinks this is far beyond my range. Also it is what I dream about at night, so cool freaking cool.
Micro-Controller Mod
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It was fun learning and using a microprocessor. Although at times a bit frustrating but persistence pays off.
Since your using an avr chip, why not just program that to control everything instead of using an OKR-T6? This would significantly improve accuracy, performance, battery life, part count, wiring, and cost. Then get into the attiny's and some SMT soldering.
Nice work. It can be daunting at times.
Nice work. It can be daunting at times.
Holy 
!
Reaching new heights every day breaktru...
Thanks for sharing your amazing builds with us!
!Reaching new heights every day breaktru...
Thanks for sharing your amazing builds with us!
How would an AVR chip provide 30 watts of power without having to build an additional Regulator/DC-Converter from scratch?
Additional is misleading. You wouldn't need the OKR-T6, but you would have to program a regulator in the AVR. It's not that hard to do, considering what you've already accomplished I'm sure you could do it. Just drive a MOSFET from the AVR, and use either a hardware or software PWM. You could drive 600 watts if you really wanted to, but you'd need a car battery to power that much juice, and one hell of an atty.
WoW Dude , seriously
Your really going to come up in here and tell breakthru his creation is not correct because he used a regulator you dont like. I mean come on what have you built, what you got to show us. i mean even if you were right , which your not by the way, that is pretty damn rude to come up nick picking on someone else creation. you do realize the OKR-T6 is a regulator. well a regulator module that can get 98% efficiency. You said " This would significantly improve accuracy, performance, battery life, part count, wiring, and cost." "accuracy" the OKR-T6 will hold a voltage setting to the one thousandths of a volt. it is very accurate , high performance , battery life well 98% efficiency enough said. "part count " it is one part slap it in and solder it up . "wiring" well your already making a circuit board not big deal. cost " they are not all the expensive. i guess you might think you know what your talking about but the way i see you have no clue. It is one thing to point something out that can be dangerous but quite another to go nit picking on a perfectly good mod with baseless facts. Those are my two cents you can take or leave them , hell you can even give them to the bum down the street. peace
Edit here is a link to the OKR-t6 data sheet maybe next time you will actualy read the specs on a part before you say it is a P.O.C http://www.murata-ps.com/data/power/okr-t6-w12.pdf
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Exactly .Your not going to get close to the efficiancy of a OKR with a mosfet or linear reg. It would also take more room with the added heat sinks you would need.
Wow. Kinda reminds me of one of the old computers that filled the room. lol I bet on the next one you'll find a smaller box. Looks like there's Tons of room left in there ! /ends critical comedy 
Now seriously, that is one serious looking mod. If all of those wires were replaced with traces that would be cool. Seems as if you tackled a feat with the wiring there.
Now seriously, that is one serious looking mod. If all of those wires were replaced with traces that would be cool. Seems as if you tackled a feat with the wiring there.
Wow. Kinda reminds me of one of the old computers that filled the room. lol I bet on the next one you'll find a smaller box. Looks like there's Tons of room left in there ! /ends critical comedy
Now seriously, that is one serious looking mod. If all of those wires were replaced with traces that would be cool. Seems as if you tackled a feat with the wiring there.
I settled on a box to put it in after searching for months and acquiring a dozen or so enclosures that I wasn't happy with.
Traces would be nice to replace external wires but the PCB would be pretty big being most of those wires are heavy gauge for heavy current requiring wide traces.
I should have dressed and routed the wires before I posted the photo of the insides.
I can probably get it to fit in an enclosure about 1" less in width a 1/2" length and about half the depth.
Don't put words in my mouth. I do like the okr-t6 and never said anything was a POS.
I offer a thought, and get attacked for it. Thanks it really makes me feel good.
This is my creation. It is exactly what I said.
Thanks breaktru. I believe that it's 6.5 amps and 46.8 watts. It can handle more than any atty I've ever put on it. It has burned out several atty's during testing (damn software bugs). I use eaglecad, and created the board for it. Converted the output for the holes to g-Code for my little CNC machine. It took me about 10 hrs just to solder everything. Working that small is tough, and the display made it tougher. If you look close at the pic, in the lower left hand corner behind the yellow wire is a 6 pin ISP port for programming the attiny chip.
If you're looking for some ideas or help designing an enclosure, I could use the practice drafting. Just let me know the dimensions of everything, how you want the drip cup/connector, display (dimensions), etc. Pictured below is obviously a bit inspired by other mods, with up/down buttons for voltage. Maybe membrane buttons to protect from stray eliquid
Wow Jim, your design is really great. Thank you for the offer. Fantastic concept. I'll PM you.
your display... can i haz?
on a serious note, how hard would it be to take the DNA and have it working with your display?
I know it is sacrilege to talk about such things, but as this is something you cant sell, i would really like to see a display setup like that on a mod powered by something such as the DNA
on a serious note, how hard would it be to take the DNA and have it working with your display?
I know it is sacrilege to talk about such things, but as this is something you cant sell, i would really like to see a display setup like that on a mod powered by something such as the DNA
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