Sorry it took me so long to get back to you Dave, but I spoke with Sanjay Joshi (The roboticist from JPL) and he said that he would be happy to give a...
39
Dave Henley
dave@...
May 1, 2002 6:18 pm
Thanks Jeff. I don't have any suggestions, but I'm about to change the date on our events page. I'll leave alone the portion for Guest Speaker ... at least...
Dave, I can always bring in my 6 minute tape of the robots that are being developed for the Mars landing by JPL. It is short but very interesting because of ...
41
Dave Henley
dave@...
May 2, 2002 3:18 pm
We haven't got it yet, Mel. The speaker that was tentative will come in June. Jim, I believe, is working on an alternative and will announce to the group as...
Learn the rules and watch a trial Mini-Sumo match. Start getting ready for this summer's Mini-Sumo competition. Our May 30 meeting will focus on Mini-Sumo....
Jim, As I mentioned to Dave yesterday, I do have a 6 minute VHS tape of the JPL Lunar landing like robots and a spiel from the engineers building them. I can...
http://www.sacrobotics.org is now up and running. The site will be updated as needed to be an effective communciations tool for our group. Come by and check it...
45
Tak Auyeung
tauyeung@...
May 28, 2002 5:11 pm
I have finally finished the basic conceptual design of the board. It'll have a bit of build-in I/O ability, plus connectors for daughterboards for features...
46
Tak Auyeung
tauyeung@...
May 28, 2002 5:41 pm
Somehow, the pdf file was not attached correctly, here's the second trial...
--Tak
%PDF-1.2
7 0 obj
<<
/Type/Encoding...
47
Tak Auyeung
tauyeung@...
May 28, 2002 5:46 pm
I think I found the problem. My email client thought the file is text and sent it as such. This time, I compressed the file to a zip file first, then attached...
Next Meeting - Thursday, May 30 - 7pm Topic: Mini Sumo Location: nerdBooks in Roseville, CA Dave Andreae of Parallax Inc. will be on hand and is bringing a...
You forgot something... The attachment. Either that or you need to find a new email client. :) Kurt Willmon ... ...
51
Tak Auyeung
tauyeung@...
May 30, 2002 4:27 pm
Kurt, I checked my sent folder and the message does have an attachment. Someone else in the group also confirmed that the zipped file did work yesterday. In...
52
Tak Auyeung
tauyeung@...
May 30, 2002 5:59 pm
You can access it at www.mobots.com/BotBrain/design.pdf. I haven't put in a link from the main page, yet... --Tak...
53
sacrobotics@yahoogrou...
May 30, 2002 6:16 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the sacrobotics group. File : /design.pdf...
Does anyone have any hardware that can program the fuse bits in a AT90S1200A? I specifically bought a chip that comes pre-programmed to use the internal...
55
Tak Auyeung
tauyeung@...
May 30, 2002 10:43 pm
Jeff, I have a Needhams EPROM programmer. I know it can program AVRs, but don't know if it can change the fuse bits (software limitations rather than...
56
Tak Auyeung
tauyeung@...
May 31, 2002 6:10 pm
Turns out the ATMega128 has I2C as well as SPI. I2C is the preferred protocol because it is addressed rather than requiring a slave select signal for each...
I am going, too. I believe the seminar starts at 8:30am so I am planning to go over the night before and visit my brother who lives in San Jose. I will look...
I just added the sumo robot that I brought to the last meeting and a bunch of new links to sumo robots to my site... http://home.pacbell.net/jkkroll/bots.html ...
61
Tak Auyeung
tauyeung@...
Jun 3, 2002 1:29 am
I have finished placing connectors and other bigger components on the board. Currently, it fits in a 3" by 3" square with room for mounting holes on all four...
62
Tak Auyeung
tauyeung@...
Jun 5, 2002 10:23 pm
Does anyone want to use DC motors or stepper motors in Mini Sumos? If so, you may want to start designing the daughter board(s). The schematic of the main...
Tak, I did not get any attachment with this email. Could you send it again please.? Mel Pama ... From: Tak Auyeung [mailto:tauyeung@...] Sent: Wednesday,...
64
Tak Auyeung
tauyeung@...
Jun 6, 2002 4:15 am
My bad! Here is the attachment... --Tak...
65
Tak Auyeung
tauyeung@...
Jun 6, 2002 9:33 am
This new schematic has more connectors defined. If you want to work on a communication daughter board (for RS-232, RS-485, IRDA, RF,...), you can start now 8)....
66
Tak Auyeung
tauyeung@...
Jun 8, 2002 9:05 am
Attached is a zipped PDF file of the schemtic of the main PCB. I am going to work on the stepper daughterboard and the LCD/keypad daughterboard now. If you...
