#robotics Logs

Feb 16 2012

00:15 rue_more is there a chip-swap?
00:15 rue_more :/
00:16 rue_more OOOo I think that worked
00:29 rue_more OOooo dare I mount thruhole parts on the BACK of the baord?
00:44 e_more stops his trace and murmors "the one jumps over the many" a few t
00:46 rue_more adjacent wires shorting dont cause a problem? tell me how jumping the 24V to the 5V dosn't cause a problem...
00:46 rue_more you still cant move the 5V out of there like that
00:47 rue_more what you have there my friend, is a routing catch 22
00:47 rue_more there is NO part you have to put in series
00:47 rue_more aha, if I go the other way around with the ground trace...
00:48 rue_more how about a inductor in the positive rail?
00:48 rue_more how about an hour late for bed?
00:49 rue_more how about a sweet bribe to stay up a bit longer?
00:49 rue_more how about the fact your out of sugar?
00:49 rue_more eeeep...
00:49 rue_more yea, I win.
00:50 rue_more all those other traces are impossable to route without jumpers, one more wont kill ya
00:50 rue_more go to bed
00:50 rue_more its just 1 more jumper
00:50 rue_more go to bed
00:50 rue_more I need an answer on the voltage divider thing
00:50 rue_more go to bed
00:50 rue_more I'll do that tommorow
00:51 rue_more no no definitly sooner
00:51 rue_more maybe I can put the sense resistors on the back
00:51 rue_more the plotters aligned, you can do pin to pin traces on the top
00:52 rue_more you didn't say
00:52 rue_more go to bed
00:52 rue_more ugh
00:53 rue_more yay I shaved a milimiter off - go to bed
00:55 rue_more R19 can be an SMT
00:55 rue_more yes - go to bed
00:57 rue_more hmm yea, I need hard schematics, these approximations wont cut it anymore.
00:57 rue_more ok, go to bed
00:57 rue_more I'm gonna go to bed
00:58 rue_more you do that
00:58 rue_more gnight
00:58 rue_more night
11:49 pokoko222 someone has tried Lego Mindstorms?
12:02 theBear i used the old version in the early 90's, wasn't called mindstorm then tho :)
12:02 pokoko222 i want to buy the newest version 2 i think
12:02 pokoko222 i want to make it solve a rubik cube
12:02 Steffanx I used that on high school ages ago :)
12:03 pokoko222 you guys had in general good experience with it?
12:03 pokoko222 the good thing is there are lots of books on it and there is big community
12:03 pokoko222 so if you get stuck you can ask for help
12:03 pokoko222 plus there is tutorial book on how to solve a rubik cube with the robot and other cool stuff
12:03 Steffanx Probably not .. it's ages ago for me :)
12:03 pokoko222 just amazing, you just need to sit and read
12:03 pokoko222 :D
19:06 zhanx evening
19:50 elektron_ https://docs.google.com/spreadsheet/viewform?formkey=dEQwZktDMFJGU3U0eG5lSklFQzBqMWc6MQ
19:50 elektron_ put crap in there
21:53 jorgeaber hi Tom_itx
21:53 jorgeaber hi zlog
21:53 jorgeaber where are you from?
21:54 Tom_itx us
21:54 jorgeaber do you study anything related to electronics or informatics?
21:55 Tom_itx no
21:55 jorgeaber and you, zlog?
21:55 Tom_itx it's a log bot
21:56 jorgeaber ohhh
21:56 jorgeaber how do you know?
21:56 Tom_itx so is tobbor
21:59 jorgeaber how old are you, Tom_itx
21:59 Tom_itx what about you?
21:59 jorgeaber I'm a 25 years old student from Argentina
21:59 jorgeaber I study electronics egineering
21:59 Tom_itx just a hobby for me
21:59 jorgeaber and how old are you?
22:00 rue_shop2 150
22:00 jorgeaber wow, he must have a lot of experience, then... hahaha
22:01 rue_shop2 "you stepped on them cause you couldn't see them!? I could see them just fine when I turned the lights off!"
22:01 Tom_itx rue_shop2, finding the bridges on the usb chip shure played havvock on the port
22:02 Tom_itx at first i thought i blew out the port but re'attached to another one and it finally found the device
22:02 Tom_itx so i moved back and it was all good
22:04 Tom_itx rue_shop2, what causes that on a usb port?
22:04 Tom_itx i had to reset the hub n all
22:45 rue_shop2 windows usb stack
22:45 e_shop2 needs 12 zener diodes between 7 an
22:47 rue_shop2 damn 1N935 I have a bag of them
22:51 rue_shop2 bah their not
22:51 rue_shop2 their ITT935, which apparently isn't eh same
23:27 rue_shop2 ok I found -5V regulators and +12V regulators that I can use to generate a power supply that will work for the op-amps
23:27 rue_shop2 I can tap that off the +-24V power rails
23:43 rue_more hahaha iphones leave gps co-ords in the images they take!
23:45 Triffid_Hunter rue_more: yep. my phone will do that too but it's a hassle to turn on, rather than default
23:46 rue_more I presume its in the image headers
23:46 Triffid_Hunter yeah, exif data or whatever it's called
23:47 rue_more hmm so I can trigger out of limits from 0 to 5V from a 5V supply, but I cant amplify my error signal from 0-5
23:55 rue_more but, I dont use L regualtors so thats fine, and its not using any of the +5 I value
23:56 rue_more I'll try the circuit with something like tl081 or lm324 tommorow
23:56 rue_more tl084
23:56 rue_more I have tonnes of tl074