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Unread 16-07-2004, 22:41
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pic: Portable Power Pack for Operator Interface

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Unread 16-07-2004, 22:45
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Re: pic: Portable Power Pack for Operator Interface

Many Many teams including the vets have tried to make their sticks wirelessly powered. This example of how to do it is one of the best and simple ways I have ever seen. I wish I woulda did this 2+ years ago when I had visited the Mayor with the Team and Robot.....=) who says you need a power adapter when you could go get 3 9v and wire them together. .......... The 9 volts are they series or parrallel wired.
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Past FIRST Robotics Events that I proudly volunteered at:
FLL: NY State Competition '03
FRC: NYC Remote Kickoff '04 & NYC Regionals '04-'15 ,'10-'13 & NJ Regionals '06-'10, Finger Lakes Regional '09 & SBPLI Regional '08-'15 and the World Championship in '05 (Galileo Field) '07 (Newton Field) '09 (Practice Fields Attendant / FTA(A)), CeBIT Convention in '04 & NextFEST in '06 both held @ the Javitts Center, Monty Madness '07-'10, Panda-monium '08, B.Eruption '08 & '09, Ramp Riot '08, PARC '09 & '10, BR^2 '09 & Wol. Inv. '09 -'15
2015 FIRST Robotics Off Season Events that I hope to volunteer at:
Where is Wolcott Invitational
2015 FIRST Robotics Events that I will be volunteering at:
SBPLI Reg. & Championships
Volunteer Resume:
Alt & Lead Team Queuer, Field Repair/Reset, Field Setup/Breakdown, Spare Parts Attendant, Field Power Controller/Score Keeper, Co-Emcee & Official Scorer, Control System Advisor, FIRST Tech Advisor Assistant & recently Practice Field Attendant.
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Unread 16-07-2004, 23:08
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Re: pic: Portable Power Pack for Operator Interface

They are in parallel.

A series connection would result in 27 volts Say goodbye to your OI.

See the white paper for directions

http://www.chiefdelphi.com/forums/pa...er&paperid=362
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Unread 16-07-2004, 23:20
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Re: pic: Portable Power Pack for Operator Interface

I built one with 3 9volts, but it drained too fast for my liking, so then I built one with 6 D cells. I've had it for a few months now, and I've never replaced the batteries. Works great.
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Unread 16-07-2004, 23:23
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Re: pic: Portable Power Pack for Operator Interface

We just used the 14 lb robot battery! (fused of course ) I don't think we've EVER had to charge it. Have had a couple fuses blow for some odd reason though.
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Unread 16-07-2004, 23:39
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Re: pic: Portable Power Pack for Operator Interface

May I reccamend a Rechargeable set of 6 AA batteries with a 6 cell holder (available at Radio Shack or Digikey), wired the same but uses only one 9 Volt clip. that way you could use a charger to charge the individual AA batteries and use then elsewhere and they'll typically last much longer than the 9 Volt. but less weight compared to 6 D size.
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Unread 17-07-2004, 19:44
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Re: pic: Portable Power Pack for Operator Interface

Why not use a RC car rechargeable bat? (besides $$)
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Unread 17-07-2004, 23:07
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Re: pic: Portable Power Pack for Operator Interface

About how long do the three nine volt batteries last? I know it depends on how many joysticks and and other controls you have for the OI but I'm only looking for a rough idea.
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Unread 17-07-2004, 23:25
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Re: pic: Portable Power Pack for Operator Interface

Quote:
Originally Posted by Astronouth7303
Why not use a RC car rechargeable bat? (besides $$)
rc cars are usually 6cell 7.2v and some are 7cell 8.4v. next would be 8cell 9.6v.. would that be ok for the oi? how picky is it? since we only have one oi, id rather not test it... and anyways, rc car batteries are normally made to rush all the juice out quickly(=car runs faster but shorter time). such as some 3300mAh.. dont know if the OI'll suck it all that fast but you really dont need to spend your money on rc car batteries which will probably tend to cost more than rechargeable AA batteries. i think thats the way to go
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Unread 18-07-2004, 11:20
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Re: pic: Portable Power Pack for Operator Interface

I think we'll do that for next year, and rig a stand on our 2002 robot and use that to carry out our 2005 bot instead of the human powered trolley... though... on second thought, best to stick with the trolley... I can just see our robot fall and go boom.
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Unread 18-07-2004, 11:34
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Re: pic: Portable Power Pack for Operator Interface

Quote:
Originally Posted by FizMan
I think we'll do that for next year, and rig a stand on our 2002 robot and use that to carry out our 2005 bot instead of the human powered trolley... though... on second thought, best to stick with the trolley... I can just see our robot fall and go boom.
you'd prolly have to tether it anyways so you wouldnt need the porta-batterypack no radio except on field right?
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Unread 18-07-2004, 13:08
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Re: pic: Portable Power Pack for Operator Interface

I'll have to make one of these. Usually we just wire up one of the big batteries and carry it in a backpack.
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Unread 18-07-2004, 14:06
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Re: pic: Portable Power Pack for Operator Interface

We find that we get about one and a half to about two hours on a pack. This is not really exact though being that we never timed a pack that was constantly on. We usually run the pack on and off. We never accually kept a pack on constantly from fresh to dead batteries.
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Unread 19-07-2004, 03:02
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Re: pic: Portable Power Pack for Operator Interface

this is not a bad estimation at all b/c right now its off season so some teams probably won;t run their robots unless its training or an off season competition. a rechargeable battery back is simple easy to build and quite convient as oppose to reminding everyone to bring the power pack for the OI. =) and for our next trick we shall take a 15 lb robot battery and shrink it to a convient 8 lbs =D one can only wish!!!!!



Have a great summer in making more useful projects for teams to use hrrmmmm speaking of projects I would like to update my FIRSTProjects website and include a link to the white paper for the battery pack for the OI.....

Off to do that now !!!!!!!


(EDIT) ----- There we go All Updated....Finally Maybe when I get some time I'll change the background to the website and add a few things. =) maybe like the 2005 calendar of holidays hrm so many sites to update so lil time ;-)
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Past FIRST Robotics Events that I proudly volunteered at:
FLL: NY State Competition '03
FRC: NYC Remote Kickoff '04 & NYC Regionals '04-'15 ,'10-'13 & NJ Regionals '06-'10, Finger Lakes Regional '09 & SBPLI Regional '08-'15 and the World Championship in '05 (Galileo Field) '07 (Newton Field) '09 (Practice Fields Attendant / FTA(A)), CeBIT Convention in '04 & NextFEST in '06 both held @ the Javitts Center, Monty Madness '07-'10, Panda-monium '08, B.Eruption '08 & '09, Ramp Riot '08, PARC '09 & '10, BR^2 '09 & Wol. Inv. '09 -'15
2015 FIRST Robotics Off Season Events that I hope to volunteer at:
Where is Wolcott Invitational
2015 FIRST Robotics Events that I will be volunteering at:
SBPLI Reg. & Championships
Volunteer Resume:
Alt & Lead Team Queuer, Field Repair/Reset, Field Setup/Breakdown, Spare Parts Attendant, Field Power Controller/Score Keeper, Co-Emcee & Official Scorer, Control System Advisor, FIRST Tech Advisor Assistant & recently Practice Field Attendant.

Last edited by mtaman02 : 19-07-2004 at 03:20.
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