i have in mind a slave position by turning 2 drive motors on or off using mdifferent speed settings to position slave from lnown position to where work is to...
30037
brianinrenton
Feb 1, 2007 8:14 pm
... That is correct. I'm a member of several Yahoo groups and to read the emails (9 in 10 are usually of no interest) would be a real pain. ... That is what...
30038
benedict-list@...
inetd_conf
Feb 1, 2007 9:51 pm
That rocks the house, man! Thanks for posting that. Tom...
30039
Rich Chandler
mauser712
Feb 2, 2007 4:06 am
Just to show you what you're up against. http://www.youtube.com/watch?v=N2fp6apH5Rw This is the 2005 All-Japan champion. That first fast looking run... that's...
30040
Mike Payson
mpayson
Feb 2, 2007 6:04 am
No problem. Glad to help....
30041
johnmciv
Feb 2, 2007 6:19 am
... that's ... ... And another video that may more accurately represent what you are up against :) http://www.youtube.com/watch?v=AIsKtMe5Qc4...
30042
Dan
ragoo_sauce
Feb 2, 2007 6:20 am
Anyone know of a long range IR detector, maybe 6-8 ft range, something similiar to what's used in TV ? The PNA4602 and the IS471F don't seem to be adequate for...
30043
Pete Miles
ajklz5
Feb 2, 2007 7:05 am
Its not the detector, its the emitter. Use higher powered IR LEDs. Pete ... From: "Dan" <ragooman@...> To: <SeattleRobotics@yahoogroups.com> Sent:...
30044
Pete Miles
ajklz5
Feb 2, 2007 7:11 am
Quite worring about what the Japanese are doing. Me will never see one of those robots in real life. Since history has a very strong tendancy of repeating...
30045
Robin Bailey
quethe
Feb 2, 2007 7:15 am
I am working on a robot project where I have a DC motor (12VDC and 30A max) that is being driven by a PWM speed controller in the forward and reverse...
30046
Tony Brenke
trbrenke
Feb 2, 2007 8:44 am
If the IR is not pulsed at a set freq, then the range is cut back greatly. Using pulsed IR will let the detector tell the diff between background IR and a real...
30047
Tony Brenke
trbrenke
Feb 2, 2007 8:53 am
LOL, Switch to a 'sevcon' motor controller and use your current one on another project. That would be the easy way. Your second option is to use an IGBT but...
30048
Rich Chandler
mauser712
Feb 2, 2007 3:23 pm
... Hey Pete, it was more about what's Possible, really, than trying to discourage anyone....
30049
Robin Bailey
quethe
Feb 2, 2007 5:55 pm
I suppose a couple points I should have included was that I have to do the switching on the motor side, not the power side, because this is being done to 2+...
30050
robotMaker
robotmeiker
Feb 2, 2007 5:56 pm
A 12v DC motor, that draws 30 amps. That's a big motor, you must be building a big robot. Are you using only one motor? You must be powering it with a car ...
30051
Pete Miles
ajklz5
Feb 2, 2007 6:17 pm
Rich, I completely agree with you. The Japanese do set the bar when it comes to robots across the board. But, from past experience, people get discouraged and...
30052
-S
samthemagical
Feb 2, 2007 6:26 pm
My suggestion --- take apart something that had an IR remote control (the control too, o'course). Then you know you have the parts you want, they are matched,...
30053
Stephen Noel
stephennoel944
Feb 2, 2007 6:36 pm
Go to Sharp's website at sharpsma.com. Navigate to Products|optoelectronics|IR Remote Receiver. You've got your choice of 133 different products :-) The key to...
30054
John Palmisano
palmisano@...
Feb 2, 2007 6:41 pm
what about making robots for fun? i plan to do robo-one in japan next year . . . i probably wont stand a chance my first year or two doing it . . . but i dont...
30055
Ben Estroff
b_estroff
Feb 2, 2007 10:57 pm
Strangely, I thought to look up Micromouse on Youtube the other day as well. That's the kind of stuff I expect my team to be going up against, but we're going...
30056
Bob Cook
bobcook_02
Feb 3, 2007 3:20 am
... I've already started my micromouse design. I probably won't have anything like those zippy little ones on YouTube but that sort of thing hasn't stopped me...
30057
Tony Brenke
trbrenke
Feb 3, 2007 6:18 am
There is no way to do this cheap. But there is a way. Replace the relays you are using now. Go with this. http://www.acroname.com/robotics/parts/R133-MD03.html...
30058
mvshiva9493
Feb 3, 2007 4:21 pm
hi. i have a motor that runs on 24v dc to turn the wheels. if i apply 24 v across the circuit, would it fry some of the components? if it would,could you tell...
30059
John Palmisano
palmisano@...
Feb 3, 2007 4:36 pm
check the datasheets for the maximum voltage rating for each component you think will fry =P typically most are rated for no more than 20V . . . ... -- John...
30060
Gabriel Elder
GabeElder
Feb 3, 2007 6:19 pm
Hey all, I am still working on my balloon project (automatedair.blogspot.com) and have run into a GPS Problem. I have gotten a garmin 18 LVC () all hooked up...
30061
mvshiva9493
Feb 3, 2007 6:33 pm
hi, i'm building a robot for a contest at college. on of the designs for a weapon involves a spring that can lift a load of about 10-15 kgs... could i please...
30062
mvshiva9493
Feb 3, 2007 6:33 pm
... component you ... 24 v ... first of all, thanks for replying.. a lot are 30v+, some are even just 10v.. what do i do?is there a way i let only a small...
30063
John Palmisano
palmisano@...
Feb 3, 2007 6:53 pm
If you apply 24V to a 10V rated component, it will fry (and sometimes explode into pretty sparks). As for the amperage on the motor, you must look up the...
30064
Mike Payson
mpayson
Feb 3, 2007 7:26 pm
You need what is called a "motor controller" which acts as a bridge between the low voltage main controller (your robots brain) and the high voltage motors. If...
30065
Dan
ragoo_sauce
Feb 3, 2007 7:26 pm
Thanks for all the tips that everyone suggested. =Dan .==============================================================================. [ My Corner of...
