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 | | Re: rotational sensors
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| Fred- Sorry for the late response as we have not been around for Spring Break, but you requested a list of the files that come up when IC loads: lib_hb.lis, lib_hb.c, lib_hb.icb, libexpbd.icb, expsens.c, expservo.icb, explego.icb, sonar.c, (...) (24 years ago, 12-Mar-01, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | updating the FAQ
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| Hi Fred, In the ICB faq, could you change: Please note one big GOTCHA with ICB files. On the MS-DOS platform, the ICB files must have Unix-style line termination. OK, what does that mean. to something like: Please note one big GOTCHA with ICB files. (...) (28 years ago, 2-May-96, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Re: Expansion interface status
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| (...) To Fred and others, I've been thinking about this off and on for over a year now, and since I now have parts I'll finally get my HBs into something more than just board status. Robots eat I/O pins for lunch. Sensors eat input pins and (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Buncha bouncebacks
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| Fred, I get a bunch of bounce-back messages when I post to this mailing list. Apparently many of the addresses have gone bad. It doesn't really matter, I just delete them, but how does one, as a mailing-list administrator, deal with address (...) (28 years ago, 29-Jan-97, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | expansion board
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| Fred, It seems to me that the first thing most people want to add to their robots that is not supported on the handyboard itself, is IR collission detection. How about including a modulator and driver for IR LED's, and a detector and demodulator (...) (28 years ago, 14-Feb-97, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Re: Which 68HC11x1xx
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| (...) Fred, Where can one find info on the A1 vs E1 differences you mention. This is not in the 68HC11 reference manual (pink book). Thanks, Clay Timmons ctimmons@asic.sc.ti.com Dallas Personal Robotics Group www.dprg.org (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Voltage
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| Hello all, Fred Martin may have said something to this list about 12v being ok as a battery voltage.If so does the motor drive voltage go up accordingly? Thank you for your help, Joe Martin Email:joema@mpx.com.au (27 years ago, 9-Aug-97, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | To Prof. Fred Martin: Neat!
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| Hi, I saw your robot at the Trinity fire fighting contest last Sunday. It was neat, and very animate. I was curious to know if you had figured out why it did what it did during your first run (?). And, what type of sensor were you using on the rear (...) (26 years ago, 22-Apr-98, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Re: Sonar Help!
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| Fred, I decided not to use the external battery for now and try and get the sonar working using the directions on the web page. Instead of connecting the power throught the Motor Power header, I have simple connect V+ and GND to TIC3's PWR and Grnd (...) (26 years ago, 24-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Mindstorms
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| Hi Fred. I enjoy the listserv, though I am a real novice and don't always understand what is going on. But, I am reading and learning. I just found out that you helped with the creation of the Legos Mindstorm robots, which I have purchased two for (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Hello again Fred Meyer Shoppers!
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| (Better late than never, I guess, & I haven't seen a post on this from anyone else yet, so: The little orange coupons are back this week! 20% off Lego/Duplo, valid through Saturday 21 November 1998. Run, don't walk... Scott (26 years ago, 20-Nov-98, to lugnet.market.buy-sell-trade)
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fred
(score: 1.004)
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| | RE: Question for Fred
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| That's a funny question. I just finished a class on this exact topic. The basic determining factors when deciding whether to use a stepper motor or a DC brush/less servo motor is speed and open/closed loop control. Stepper motors are limited to (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Re: OFF TOPIC!!!
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| (...) Fred, It appears that Chris did read the warning, but unfortunately he ignored it (or maybe he misunderstood it) as you no doubt saw a few minutes later. In any case, in order to prevent his further disrupting things here, his posting (...) (26 years ago, 13-Jan-99, to lugnet.robotics, lugnet.admin.general)
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fred
(score: 1.004)
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| | Re: Gear Designs
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| Fred Martin's paper mentions the URL at the end: (URL) summarize it: basically this is still a work in progress and they hope to have a public version "sometime during 1999." Jonathan (...) -- Did you check the web site first?: (URL) (26 years ago, 1-Feb-99, to lugnet.robotics)
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fred
(score: 1.004)
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| | RE:stack pointer
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| hi fred and all, i am facing a problem with the handyboard about the stack pointer. every time i use a check on the digital and analog port on the console window, it will give me a result of stack pointer off by 65... bytes. i would like to know (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | Re: Curiosity...
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| Fred, Michael Dorneich has an superb website which is literally a table of contents for who's who in LEGO. It's called the "MCPD's LEGO INTERNET RESOURCES QUICK REFERENCES GUIDE" (ie Everything LEGO) located here: (URL) is very helpful, and will (...) (26 years ago, 26-Feb-99, to lugnet.general)
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fred
(score: 1.004)
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| | Re: Please help!!!!!!!
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| Dear Fred: I am having problems driving stepping motors off the handyboard. I have not found much on steppers and handy board except for the code found on Peter Harrison's page, but I cannot get it to work with IC 3.1. Can you tell me where I can (...) (25 years ago, 17-May-99, to lugnet.robotics.handyboard)
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fred
(score: 1.004)
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| | RE: MacFrugals
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| Hi Fred, 8213 is spy runner, a GREEN technic F1 type car (bought 2, lots left) 6589 is radical racer, a off road car with a brown plastic ravine (bought 0, lots left) They also had a few 8232 chopper force, technic play helocopter, 220 pc. for $15. (...) (25 years ago, 14-Jul-99, to lugnet.loc.us.ca.sf)
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fred
(score: 1.004)
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| | FW: Saturday Meet
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| Fred, This Saturdays meeting is at the Newark Library not the Fremont Library. The library is at 6300 Civic Terrace Ave, Newark, CA (510) 795-2627 Here is the URL with the MAP. (URL) looks to me like the directions are 880 to Thornton Ave. Exit (...) (25 years ago, 3-Dec-99, to lugnet.loc.us.ca.sf)
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fred
(score: 1.004)
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| | Re: Enlightenment
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| (...) Is fred looking for 2x3 black bricks? I have quite a few that I was going to use for train roadbed, but I could part with some if it will help with your project. I have about 1200 of them. How many do you need? Mike (25 years ago, 14-Dec-99, to lugnet.loc.us.ca.sf)
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fred
(score: 1.004)
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