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 | | Re: running .s19
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| does your program to anything else other than attempt to leave special mode? You could have it write a value to the motor address ($7000); that would be a more visible indication that it is running. BTW, why is your first instinct to take it out of (...) (28 years ago, 19-Feb-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Next BayLUG Get-Together in August 1999
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| I am unavailable on the 14th. I'll be in Martinez the whole day, so I vote for the 7th. But I guess whoever starts these things should just decide and the heck with everybody else. It's the only way to do it. Otherwise you're gonna get people like (...) (25 years ago, 12-Jul-99, to lugnet.loc.us.ca.sf)
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fred
(score: 1.028)
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| | Re: Run Time error 1
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| Peter: run-time error 1 is "no stack place for start_process()". This is given in the IC/Handy Board manual. The reason is your "repeat" procedure, which keeps making more processes!! Instead of this, put each of your subprocesses in a loop; e.g: (...) (28 years ago, 8-Nov-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | my fire-fighting robot
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| if anyone is interested, the robot entered by my team (steve ocko, brian silverman, and myself) is pictured at (URL) did the lego design, we all came up with the overall strategy, and i did the programming this year. it's really a two-year design; (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: IR signal
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| Sounds to me like your LED is just not focused straight ahead. I found that sticking the IR LED in a Radio Shack panel mount LED holder (cat no 276-080a) worked the best for focusing the beam of IR. I had tried soda straws and other things, but the (...) (27 years ago, 21-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: 6 servos
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| (...) There are two types of serial voltages: TTL level and RS-232 level. The HB's serial interface board converts from TTL to RS-232 for communicating with the host computer. The Scott Edwards board accepts TTL levels, so an HB pin can drive it (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Problems with downloading
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| Tom: Your tests, specifically the fact that the HB's PWR LED comes on after download fails, demonstrate conclusively that the HB can *receive* data from your PC. This proves that the downloading software is able to open the serial port properly, and (...) (28 years ago, 23-Jan-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Porting as11_ic to mac
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| In your message you said: (...) all right dave! this wpuld be a great service to the mac community. the answer: yes, that is all the c precprocc is doing, generating 2 calls to the as11. it assembles the user pgm at two diff points in mem so that ic (...) (29 years ago, 12-Feb-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | (no subject)
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| (...) The FAQ is linked from the main HB web page under the title "the Handy Board FAQ", or directly at: (URL) pcode source is at ftp://cher.media.mit...dist.tar.Z and also (URL) should fix that last link, because you'd never find it unless you knew (...) (28 years ago, 1-Jun-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | USA Today Media Lab story, 6/29/98
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| Hi all, Those of you in the States might have caught today's issue of USA Today, which has a cover story on the Media Lab's research, including a photo of yours truly and a few paragraphs about the LEGO Mindstorms Robotics Invention System. there's (...) (26 years ago, 30-Jun-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | mail bounces
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| dear all, please be aware that whenever you post a message to the list, you will get some bounces back. this does not mean your message didn't go through. instead, it means that there were a few bad addresses on the list. there are always at least (...) (28 years ago, 19-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: voltage regulator current rating
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| (...) The rated total is 1 amp. The HB itself draws 100 to 200 mA? I'm not sure, I haven't measured it exactly. Since the HB's battery is 9.6v, and the output voltage of the regulator is 5v, the thing drops 4.6v, and at 600 to 700 mA of current that (...) (28 years ago, 6-May-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | are you a graduating student?
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| If so, please me know if your e-mail address is about to be blown away. I've noted a surge in bad addresses on the list from the .edu sites. also, this is a reminder to all that the way to unsubscribe is to find your e-mail address by clicking the (...) (28 years ago, 7-Jun-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | zip archive of trincoll robot pix available
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| good suggestion. i've put a link to a ZIP of all the pix at the pix page, (URL) 3.9 MB. kinda big, but oh well. this should also help re: the two messages i saw re: netscape not being able to load the pictures. i don't know what's wrong, the pix are (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: encoder function
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| Tom, it seems that your routines measure frequency but Yoni wanted to count transitions. Yoni, the approach is similar to what Tom has done in that you must use the timer input channels to get high frequencies. In the TCTL2 register, set the input (...) (27 years ago, 7-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | run two servo motors from your HB!
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| Hi all, I have written new servo code, creating two independent interrupt driven routines. each one can run its own servo motor, so you have full control of two servo motors from a basic HB, no expansion board required. Full info including source, (...) (28 years ago, 13-Sep-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Polaroid sonar connector
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| In the Polaroid manual, the connector is referred to as a "Burndy 9 pin connector SLP9S-2". I once spoke to someone at Polaroid who gave me the cross reference "JST 1B0579A" (don't know if it's Burndy or not). I am pretty sure the cable is standard (...) (27 years ago, 8-Mar-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: memory not remembering...
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| Ben -- the pin 27 R/W line of the RAM should be connected directly to the R/W line of the 6811. I don't remember the pin # off hand -- it's 7 i think -- but just check the schematic. check the continuity first on the board. if that's ok, then check (...) (28 years ago, 26-Jan-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Yeeee Haaaa! and Will this motor work?
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| the "correct" way is to measure their resistance with an ohmmeter. if it's less than 5 ohms, it might be a problem. the "other" way is to just plug them in and turn on the motor outputs. as long as you use full power (not any of the software-reduced (...) (26 years ago, 5-Oct-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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