Hi: We finished assemblying our Sumvore and the left motor does not turn. I checked the continuity between the solder pads under the left motor terminal block...
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Tom Gray
graybeard2ca
Mar 23, 2005 12:58 am
Sounds like you've done a good bit of diagnosis so far. One common problem is a poor solder joint, or even one that got missed entirely. Take each board,...
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Dave Hrynkiw
Dave_Hrynkiw
Mar 28, 2005 11:59 pm
... Hi Lawrence. I recently had a troublesome Sumovore with a similar problem as well, and I traced it back to a cold solder joint on the brainboard. What it ...
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Tom Gray
graybeard2ca
Mar 29, 2005 1:42 am
... And since I may be owner of the sumovore to which Dave refers, I'll mention the need to use a magnifying glass. I had already carefully examined and ...
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Tom Gray
graybeard2ca
Apr 13, 2005 1:12 am
I have been having trouble with my BS2 Sumovore (with high speed motors) over-running the shikiri and off the ring. Thinking the BS2 was simply too slow, I...
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Gord
Gord_1812
Apr 13, 2005 1:37 am
Hey Tom I'm not the best at programing the BS2 so don't laugh. Can you set the line detection to responce to speed up the wheel on the side that detects the...
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Dave Hylands
dhylands_99
Apr 13, 2005 4:46 pm
Hi Tom, I noticed this with my Sumovore (even just using the built-in analog brain). The problem is that there is a gap behind the scoop, and when the scoop...
151
Barney
barnabyblack
Apr 13, 2005 7:49 pm
Hi I am very new to all this, and have built my robort and it works. I have also built another board to allow me to put a chip on. I have an OOPic chip, but...
152
Dave Hylands
dhylands_99
Apr 13, 2005 8:46 pm
Hi Barney, ... I don't have any code, but from the brief look I've had with the OOPic, you really need a book or manual. Dennis Clark has a book on the OOPic....
153
grayed@...
graybeard2ca
Apr 13, 2005 9:33 pm
I'm not laughing, Gord. I've been trying to get this @#$!# to work for two years so I'm nothing if not persistent. Yes, I've tried that strategy and it worked...
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Tom Gray
graybeard2ca
Apr 13, 2005 10:52 pm
MessageI had noticed this too, Dave, and soldered heavy brass rails to the scoop (it adds weight and helps keep the scoop down). I also extended the angle of...
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Barney
barnabyblack
Apr 13, 2005 11:14 pm
Hi I was also woundering weather I have to use OOPic lanuage. I do have an OOPic chip, and this is why I seem to think I have to. What other software is there...
156
Dave Hylands
dhylands_99
Apr 14, 2005 12:10 am
Hi Tom, OK - the next trick I would try is the one I used on Stinger (and Phantom) I went to Lee Valley and bought some friction pads. They have a couple of ...
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Gord
Gord_1812
Apr 14, 2005 1:25 am
Hey Tom what are you using for tires? Steve Jones retro fits the rubber band with sticky silicone tires that really grip the ring. Maybe the sumo is reacting...
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Dave Hylands
dhylands_99
Apr 14, 2005 2:18 am
Hi Gord, ... My opinion is that wheelie bars on the back are a bad thing. If any other bot gets their scoop under yours, then the wheelie bars become a pivot...
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Gord
Gord_1812
Apr 14, 2005 2:24 am
Hey Dave I See your point. Seeing how well your bots do I take your work as gospel. :) Gord ... Stay tuned for 2005 ECRG updates. www.robotgames.ca ...
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Nigel Emms
rulingshogun
Apr 14, 2005 12:16 pm
Whilst I agree that the larger wheel sized sumobots seem to be more tippy than some, part of that problem is in their design in that many have the bulk of the ...
161
Tom Gray
graybeard2ca
Apr 14, 2005 11:11 pm
MessageSneaky! I only have those two rails, but could easily solder a flat angle on to them. Worth a try. Thanks again. Tom ... From: Dave Hylands To:...
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Tom Gray
graybeard2ca
Apr 14, 2005 11:16 pm
The rubber band tires, for now. Things happen fast, but I can see that the motors are not reversing until after the point of no return. That's why I ...
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Tom Gray
graybeard2ca
Apr 14, 2005 11:20 pm
Good suggestions, which I have already incorporated. My SV has a galvanized metal chassis, battery pack screwed to it, wood block screwed in center between...
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Tom Gray
graybeard2ca
Apr 14, 2005 11:35 pm
I've spent the past hour or so with the scoop of my sumovore propped up on a tiny wedge of foam, passing bits of white paper under the sensors and watching...
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Dave Hylands
dhylands_99
Apr 15, 2005 12:04 am
Hi Tom, Hmmm. It sounds like you're trying to use the sensor in an analog fashion. I wouldn't bother doing that for the line sensors. This will probably...
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Dave Hylands
dhylands_99
Apr 15, 2005 12:20 am
Hi Tom. Hmmm. I see some conflicting information in the BS2 brainboard documentation. On page 10, it shows one side of all of the caps going to +. On Page 11,...
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Dave Hrynkiw
Dave_Hrynkiw
Apr 15, 2005 4:23 am
... Dagnabbit. If you beat me to it, let me know what the error is and I'll correct it post-haste. Regards, Dave...
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Tom Gray
graybeard2ca
Apr 16, 2005 1:33 am
MessageDave, I can see what you're doing here, but why replace the 220 ohm resistors? The BS2 manual recommends using a resistor of this value to any input,...
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Dave Hylands
dhylands_99
Apr 16, 2005 4:00 am
Hi Tom, ... Yeah - it's probably fine to leave the 220 ohm resistors in. It's easier too. ... Probably just trying to give a more analog input. ... -- Dave...
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Tom Gray
graybeard2ca
Apr 16, 2005 8:25 pm
MessagePage 10 is correct on the BS2 brainboard documentation; the caps go to Vcc (+). (So Mr. Hrynkiw, it's page 10 that's wrong!) I replaced the caps and...
171
Tom Gray
graybeard2ca
Apr 16, 2005 8:31 pm
SUMOVORE MODS This is a list of what I've done to my SV over the past two years. 1.. Control modifications 1.. BS2 brainboard 2.. BS2sx uP 3.. Independent 9V...
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Nigel Emms
rulingshogun
Apr 16, 2005 9:39 pm
Hi Tom, Boy so sorry to hear that you did not find a fix to your overrun problem, always nice to hear that found loose wire, or reversed widget and runs...
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Tom Gray
graybeard2ca
Apr 16, 2005 11:36 pm
... There might be some photos at beamdream.solarbotics.net; I can't recall. ... The two rear sensors and attack switch won at the Northern Alberta Institute ...
