Forum: General Forum
28-01-2014, 15:03
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Replies: 9
Views: 2,682
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Forum: Extra Discussion
25-01-2014, 13:02
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Replies: 59
Views: 14,054
Re: pic: Battery connector.....
Would you mind if I used the image at the top of this thread in a blog post for Mooshim? We're posting a video on how to measure contact resistance to identify this type of situation before it...
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Forum: General Forum
19-01-2014, 13:38
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Replies: 9
Views: 2,682
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Forum: General Forum
08-01-2014, 12:29
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Replies: 5
Views: 546
Re: Analog Breakout Board
This was a matter of several years of debate that was only satisfied by the KoP surveys. That jumper / selector allows a team to use up to 15 analog sensors. Without it, only 14. However, the cost...
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Forum: General Forum
06-01-2014, 23:28
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Replies: 9
Views: 2,682
Re: Mooshimeter Available in 10..9..
I'm looking into it, but it looks like many backers got more than one at that level.
That, or we didn't internet right...
That said, the STEMooshimeter option is still available for students and is...
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Forum: General Forum
06-01-2014, 13:28
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Replies: 9
Views: 2,682
Re: Mooshimeter Available in 10..9..
The campaign page is up!
http://www.dragoninnovation.com/projects/34-mooshimeter
We're already at 6% in under an hour. The $75 early birds are flying off the e-shelf! We have $80 deals for...
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Forum: General Forum
05-01-2014, 18:25
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Replies: 9
Views: 2,682
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Forum: General Forum
05-01-2014, 17:27
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Replies: 9
Views: 2,682
Mooshimeter Available in 10..9..
Hey all! I wanted to let you know that the Mooshimeter (the wireless datalogging multimeter I've been working on with James) is going up for pre-sale tomorrow. I wanted to give ChiefDelphi a head's...
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Forum: General Forum
04-01-2014, 11:21
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Replies: 41
Views: 6,198
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Forum: Chit-Chat
27-12-2013, 10:23
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Replies: 7
Views: 760
Re: Looking For Advice on a "Major" Decision
This is actually a really good problem to have. 90% of engineering is talking to people, half of whom are other engineers. Being interested in EE and ME will be very helpful talking to the 'other'...
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Forum: Electrical
22-12-2013, 19:34
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Replies: 11
Views: 3,293
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Forum: Electrical
18-12-2013, 16:04
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Replies: 11
Views: 3,293
Re: Alpha Testers Needed!
Here is a quick preview vid of what one of our Alpha testers have been up to with Mooshimeter:
http://www.youtube.com/watch?v=c3o1_sWSaUU
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Forum: Electrical
08-12-2013, 17:30
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Replies: 11
Views: 3,293
Re: Alpha Testers Needed!
We just turned on the lights in our parts of the internet, and I must admit that I have a lot of internet to learn.
If you are interested, take a gander at http://mooshim-e.com/ and...
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Forum: Electrical
23-11-2013, 11:26
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Replies: 11
Views: 3,293
Re: Alpha Testers Needed!
Wow wow wow! My inbox is stuffed! I'll be responding shortly by PM.
We will definitely support Android and iPhone out of the gate. For this alpha we decided to focus on one so we could be a bit...
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Forum: Electrical
22-11-2013, 14:51
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Replies: 11
Views: 3,293
Alpha Testers Needed!
Hey all! The TL;DR; is that I need alpha testers for the first product my recently incorporated startup is producing. If you have access to an FRC bot, an iPhone (4S or 5 only right now), and some...
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Forum: Electrical
22-11-2013, 12:29
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Replies: 13
Views: 3,321
Re: Power Distribution Board Question
The FETs controlling the blown breakers would become marginal. They are rated at 25V, so you are right up against their rating. It would become possible for a voltage spike to push you well past...
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Forum: Electrical
08-09-2013, 09:27
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Replies: 16
Views: 2,421
Re: Battery Leads and Resistance
You are reading close to ten times as much resistance as expected, there is something affecting your measurement.
Are you using a meter capable of measuring sub-milliohm? If it has two wires coming...
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Forum: Chit-Chat
21-08-2013, 15:35
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Replies: 4
Views: 751
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Forum: Java
05-07-2013, 16:41
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Replies: 7
Views: 2,323
Re: Using the Gyro's "temp"?
My thought is to monitor it through a few matches and see if it is moving enough to be worth your effort. The effect I would be most concerned with is self-heating - can you see a difference between...
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Forum: Electrical
08-05-2013, 12:04
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Replies: 13
Views: 2,184
Re: Connecting battery & charger to PD board
I spoke with a friend of mine that used to design battery chargers about this. We looked at three lead acid charger types:
1) Giant Transformer and a Rectifier
Exactly what it sounds like. The...
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Forum: Technical Discussion
02-05-2013, 17:52
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Replies: 228
Views: 36,430
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Forum: Electrical
02-05-2013, 15:19
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Replies: 16
Views: 2,982
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Forum: General Forum
30-04-2013, 13:45
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Replies: 23
Views: 2,295
Re: FIRST and grades
I've mentored several teams that monitor students' grades, and one that actively tutored students. This is a great way to pull in timid potential mentors: So many great potential mentors beg off of...
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Forum: Electrical
19-04-2013, 11:27
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Replies: 19
Views: 3,036
Re: Fried Digital Side Car
No, it can not. Plugging in a PWM cable upside down will have no effect beyond not working until it is righted. You can apply any resitive load(s) between any of the PWM pins without damage. This...
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Forum: Electrical
18-04-2013, 16:02
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Replies: 8
Views: 1,467
Re: CT for current readings
Current Transformers are really only usable for AC currents.
Placing a resistor in line and measuring voltage drop is great in theory, but the currents we deal with are rather high. 120A through a...
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I think one of they beauties of the program is how it can include so many different interests our students have. - Doc Wu [more] 
