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8278
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm The meetups group problem... I posted a message the the local discussion group for Twin Cities Robotics Meetup explaining that we don't meet at the Science
Jeff Sampson
Apr 20
#8278
 
8277
Robot Shop of Horrors, 4/25/2014, 7:00 pm Reminder from: tcrobots Yahoo Group http://groups.yahoo.com/group/tcrobots/cal Robot Shop of Horrors Friday April 25, 2014 7:00 pm - 11:30 pm (GMT-06.00)
tcrobots@yahoogroups.com
Apr 20
#8277
 
8276
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm Missed another one... Oh well... Still, I may have finally found a replacement for my car. If it's in decent shape, I might actually make May's meeting. Never
Richard Piotter
Apr 19
#8276
 
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8275
Re: Robot Shop of Horrors I should have added that May 9th is the day after the Texas Instrument's Tech Summit at the St. Paul River Center. Texas Instruments is having another
esq37
Apr 18
#8275
 
8274
Robot Shop of Horrors Well I guess pasting pictures into a Yahoo Groups message didn't work. The pics pasted into the edit window but didn't save. So, I posted the pics to the
esq37
Apr 18
#8274
 
8273
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm Some pics from last night's TCRG meeting (4/17/2014) in the Hack Factory classroom. I thought it was a good meeting, except we got there late. I think I would
esq37
Apr 18
#8273
 
8272
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm I'm not sure if I will make it today.  I have another commitment at 6:30 and not sure when it will complete. Terry On Wednesday, April 16, 2014 7:01 PM,
Terry Schumacher
Apr 17
#8272
 
8271
Re: Glow in the dark Blue or UV LEDs will charge up the paint a lot better than a red LED would. Instead of cotton sheets or poly sheeting, I would use something a little stiffer,
Brynn Rogers
Apr 17
#8271
 
8270
Glow in the dark Has anyone used this paint (or any other glow in the dark paint)? http://www.walmart.com/ip/Disney-Ready-Set-Glow-Interior-Specialty-Paint-1-Quart/23510916 I
Jeff Sampson
Apr 17
#8270
 
8269
Re: meeting, 4/17/2014, 7:00 pm What to bring? ... I claim any high vacuum ones. I have some, but I always use another good trivac multistage roughing pump. I also need to find out if the vapor pump I have
bill
Apr 16
#8269
 
8268
Re: meeting, 4/17/2014, 7:00 pm What to bring? Don't want the toilet, but I'll be bringing some stuff from a recent office cleanup/out. I have several Cyclone III/NIOS II and other FPGA development kits, a
Pete Bergstrom
Apr 16
#8268
 
8267
Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm Reminder from: tcrobots Yahoo Group http://groups.yahoo.com/group/tcrobots/cal Twin Cities Robotics Group monthly meeting Thursday April 17, 2014 7:00 pm -
tcrobots@yahoogroups.com
Apr 16
#8267
 
8266
Re: meeting, 4/17/2014, 7:00 pm What to bring? Should I bring the soldering demo again? I've not gotten around to looking for motors for table runners, but we do have 2 working ones. Anyone want a 1.6 gal,
bill
Apr 16
#8266
 
8265
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm Yes, the meeting is at the Hack Factory. There is a comment added to the Meetup group entry. But people aren't automatically notified of that unless they are
Jeff Sampson
Apr 16
#8265
 
8264
Re: Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm I just received a meetup notice for this meeting but it listed the science museum. I assume the meeting will be at the Hack Factory. Rand
Rand Whillock
Apr 16
#8264
 
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8263
Lewis Dickson, please check your gmail account I sent you a PM a couple of days ago, and I'm wondering if you saw it yet. Thanks, Pete
Pete Bergstrom
Apr 15
#8263
 
8262
Twin Cities Robotics Group monthly meeting, 4/17/2014, 7:00 pm Reminder from: tcrobots Yahoo Group http://groups.yahoo.com/group/tcrobots/cal Twin Cities Robotics Group monthly meeting Thursday April 17, 2014 7:00 pm -
tcrobots@yahoogroups.com
Apr 13
#8262
 
8261
Re: Perimeter Collision Detection for Sumo Robot Oh, and I believe my suggestion is directly related to the suggestion Bill made, but even more so it's the way the simple keypads work. Pete
Pete Bergstrom
Apr 12
#8261
 
8260
Perimeter Collision Detection for Sumo Robot did you look at page 68 of march 'SERVO' mag? use's a Sharp IR sensor for rec. and a TV remote for a XTMR. ... On Thu, 4/10/14, esq37@...
sasse
Apr 12
#8260
 
8259
Re: Perimeter Collision Detection for Sumo Robot In thinking about the problem underlying your question, I'm assuming several things: 1. The length of wire is relatively short (a couple of feet maximum rather
Pete Bergstrom
Apr 12
#8259
 
8258
Re: Perimeter Collision Detection for Sumo Robot Seems like it would be a natural to me, that may even be it's intended use. On Thu, Apr 10, 2014 at 11:42 PM, Thomas R Baraniak
Guy Gustavson
Apr 10
#8258
 
8257
Re: Perimeter Collision Detection for Sumo Robot While pricey, I wonder if something like this SoftPot Membrane Potentiometer would work? Sparkfun has a couple different sizes.
Thomas R Baraniak
Apr 10
#8257
 
8256
Re: Perimeter Collision Detection for Sumo Robot Nichrome would work. It's used in heating elements because it looks like a resistor in a circuit so it dissipates most of the power flowing through. Physically
Guy Gustavson
Apr 10
#8256
 
8255
Re: Perimeter Collision Detection for Sumo Robot ... thin Nichrome wire would work. however it's not very predictable and in the end why does it matter where it touched... it touched and the game is over.
bill
Apr 10
#8255
 
8254
Perimeter Collision Detection for Sumo Robot I'm looking for some advice. Is there a type of poor conducting wire that one could use to vary resistance depending on it's length? As in the longer it is
esq37
Apr 10
#8254
 
8253
Re: MN Maker Faire May 31-June 1, 2014 Okay, I made an inquiry into this new thing they are going to be doing at Minne Faire this year, where they will have activities in the classroom. Maybe doing
esq37
Apr 10
#8253
 
8252
No RSOH 2.0 this week I'm going to be busy tomorrow, so no RSOH.  Someone else can certainly host in my absence I will host next on Friday May 2nd. Terry. I'm going to be busy
Terry Schumacher
Apr 10
#8252
 
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8251
Re: 3d printing MY call to Stratasys was well AFTER the makerbot purchase! They had just received a Makerbot unit in to get familiar with it. Probably just jaded over the
Overkill
Apr 9
#8251
 
8250
Re: 3d printing I got a MakerBot Thing-O-Matic several years ago, primarily to print robot parts for prototyping. It cost about $1000, but there are now a lot more cheaper
esq37
Apr 9
#8250
 
8249
Re: 3d printing ... It all comes down to resolution, strength, and features. The maker bots have lower resolution than lets say a laser sintering unit. The maker bot parts are
bill
Apr 8
#8249
 
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