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Old 09-11-2013, 02:12 PM   #481
FlyingFinn
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Quote:
Originally Posted by Mike.C View Post
deal that is too good to be true.
I might be wrong, but there's a saying about deals too good to be true, isn't there...

Mikko
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Old 09-11-2013, 02:22 PM   #482
craftycoder OP
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Quote:
Originally Posted by FlyingFinn View Post
I might be wrong, but there's a saying about deals too good to be true, isn't there...

Mikko
I was thinking the same thing. Let's hope I got my budget right and I don't end up eating too much of this thing
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Old 09-11-2013, 03:56 PM   #483
TrattoRAZ
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I'm in !

Backer # 42

I'm excited !!!
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Old 09-11-2013, 04:48 PM   #484
Mike.C
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I was thinking the same thing. Let's hope I got my budget right and I don't end up eating too much of this thing
IME if an idea is a good one the stars will at some point line up if enough persistence is thrown at a project. There is no doubt that there are lots of good ideas in this box of tricks.

My comment about being too good to be true was more aimed at the fact that at some point the product might actually and up on our bikes, not that it is pitched at a price that is unbelievable.
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Old 09-11-2013, 06:49 PM   #485
Glierly
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#3 (I think)

Looking forward to getting the chance to put this design through its paces.

gll
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Old 09-13-2013, 05:51 AM   #486
lmychajluk
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Just saw a plug for the MotoBrain pop up on Engadget! Word is getting out! Good luck!

Sent from my SPH-L710 using Tapatalk 4
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Old 09-13-2013, 06:10 AM   #487
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Great news on the Engadget plug, I am really excited about this project and can't wait to have one in my hands, very versatile device.

For an application where one would want to adjust heat or light output via a physical knob, would this be done via an input or an output? Do you have suggestions/sources for such a knob that would be weather resistant/durable?
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Old 09-13-2013, 06:39 AM   #488
lmychajluk
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Originally Posted by ironklad View Post
Great news on the Engadget plug, I am really excited about this project and can't wait to have one in my hands, very versatile device.

For an application where one would want to adjust heat or light output via a physical knob, would this be done via an input or an output? Do you have suggestions/sources for such a knob that would be weather resistant/durable?
You can get weather-resistant knobs and switches from marine supply stores.

I.e.,
http://www.iboats.com/Rotoswitch-Rot...view_id.187631
and
http://www.iboats.com/Marine-Works-R...-view_id.45144

Edit - Actually, you probably want a potentiometer, not a switch, for 'dimming'-type functions... I haven't seen many of them in the boating industry, but I'm sure they're out there.
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Old 09-13-2013, 06:52 AM   #489
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Quote:
Originally Posted by ironklad View Post
Great news on the Engadget plug, I am really excited about this project and can't wait to have one in my hands, very versatile device.

For an application where one would want to adjust heat or light output via a physical knob, would this be done via an input or an output? Do you have suggestions/sources for such a knob that would be weather resistant/durable?
The system is currently setup do allow you to do this via a button rather than a knob. You can setup an input to accept a momentary signal and adjust the PWM duty cycle up or down in fixed increments (and then loop around once you get to the top of the target duty cycle 0%/33%/66%/100%/0%/33%...). It is not as granular as a potentiometer but certainly as effective. If we need more flexibility, we can work on that.
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Old 09-13-2013, 06:53 AM   #490
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Hackaday, another tech blog, is covering us now. The website is blowing up. If you were thinking about jumping on board this train, now may be a good time.
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Old 09-13-2013, 11:41 AM   #491
yosso
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Did you see the disparaging comment on Engadget?
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Old 09-13-2013, 11:43 AM   #492
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Did you see the disparaging comment on Engadget?
I have now.
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Old 09-13-2013, 12:22 PM   #493
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Did you see the disparaging comment on Engadget?
I responded. I'm sure he is long gone, but whatever.
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Old 09-13-2013, 12:32 PM   #494
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Haters and trolls abound.
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Old 09-13-2013, 12:44 PM   #495
craftycoder OP
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Haters and trolls abound.
Hyperbole and trolling aside, he has a reasonable point. 100A is a lot and as you guys are likely aware I've not pushed it to that point yet. I've only pushed it to about 60A because that is all I can muster from 120V AC power supplies. I could do it in a car, but it would be hard to sweat off all the heat from the loads. Really, you would want to do this in truck so you could attach giant resistors to large heat sinks to burn off the heat outside. That of course it very inconvenient for testing and I own no truck. I did recently find an Agilent 20VDC 100A 240VAC power supply on eBay and I will buy it for $2000ish used if we get funded. I am also going to have to find a place to plug that in, but those are my problems. I do want to see if I can actually hit the 100A mark. Hitting 60A was so darn easy (about 10C in PDU temp gain) I think we will make the 100A number. If we missing it by a little bit in the end I won't be terribly upset though. I am having a hard time coming up with ways to burn off that much power. One of my ideas now is boiling water for crying out loud (I've actually done this with the PDU). 1400W is a ton of power that I need to put somewhere in order to confirm the PDU actually works at 100A.
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