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(...) See my home page, (URL) for information on the Programmable Brick project. Just so it's clear: MIT is not, and is not going to, release the design for the P-Brick. Any info published is "FYI" only; this board is not being distributed. -Fred (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Re: Pic16c84 programming with Handyboard
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David, Althuogh I don't have an expansion board either, I am in the middle of testing some code that I wrote to program pi16c84s. Everything seems to be working well, I just want to keep on testiong it before releasing it. I wrote it such that it (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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Hi! I still got a question about something I found on the ftp server ftp.media.mit.edu/pu...ick.ps.gz. This file is talking about another CPU board. Fred could you explain where to find more information about this and/or explanations. Thanks. (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Re: Quick Question...
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(...) Yes, that's right. -Fred (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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HI! I have got a little question about the expansion board: at the HB home page, I could read that the exp. board was not yet finished and that the programming of the PIC16C84 is impossible. In fact, I did not found any layout of the two layers of (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Quick Question...
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Howdy, Ordinarily this would be a question better suited for comp.sci.electronics...g-or-other but since the Handy Board expansion interface uses a 4051, I figured someone here could give me the answer more quickly... The official docs for the 4051 (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Buying a board.
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ok, I've been lurking on this group for like 2 or 3 years. I've just now finally gotten around to looking into actually buying a board. The only problem is that I don't have a lot of knowledge about robots at least the building end of it, I know (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Re: help on hbtest.c
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(...) See the HB assembly instructions, at (URL) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Re: help on hbtest.c
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Hi Steve, The file hbtest.c allows you to test the various features of the Handy Board and make sure they are operational. To use hbtest.c, type "load hbtest.c" at the IC prompt. When the file is finished loading, you will see the IC prompt again. (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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| | Re: motors for the handy board
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(...) This is exactly what I wanted to do! Had I only the cash... (...) Are you driving each wheel with a separate motor or driving the front wheels with one 9v motor and the rear with another? (...) I have been fooling around with them since I was (...) (28 years ago, 4-Nov-96, to lugnet.robotics.handyboard)
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| | help on hbtest.c
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How would I use the program hbtest.c? I am new to using the HB. My class and I are entering the robot comp at Trinity this year and we are making huge progress but we need some help on programing the board. Any info would be great. We use Macs if (...) (28 years ago, 4-Nov-96, to lugnet.robotics.handyboard)
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| | Re: motors for the handy board
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(...) I had the same problem. I did many tests, and the last one was: I removed the 4x4 transmision, removed both forward and backward differential, and put a 9.6V motor with a VERY high torque. The results: the car started running, and in two or (...) (28 years ago, 4-Nov-96, to lugnet.robotics.handyboard)
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Handy Board Users: I am building the first part of the HB: the charger/communication interface and I already got a problem: when I am testing the MAX232 and probing pad 3 of the SUBD connector when shorting together pins 6 and 10 of the MAX232, I (...) (28 years ago, 4-Nov-96, to lugnet.robotics.handyboard)
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| | motors for the handy board
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Handy Board Users: I took the LEGO Super Car (#8880) and scrapped everything but the four wheel drive with the differentials, the front and rear wheel steering, and the suspension. Then I shortened the frame sllightly so that the distance between (...) (28 years ago, 4-Nov-96, to lugnet.robotics.handyboard)
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| | Problems downloading
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Whenever I try to download a file (hbtest.c). It says that it downloaded sucessfully but when I move the knob nothing happens. Please help. Peter eacmen@postoffice.wo...et.att.net (28 years ago, 2-Nov-96, to lugnet.robotics.handyboard)
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| | Where is "set_digital_threshold()" in IC 3.18?
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Last year in my 6.270-style course the students used "set_digital_threshold()" which was in lib_r22.c. With the newer IC I can't find it. Is it there? ***...*** * Greg Starr, Professor and Graduate Advisor * * Department of Mechanical Engineering ph (...) (28 years ago, 30-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Assembly language and the handyboard
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(...) Ed -- are you referring here to IC's mechanism for linking to assembly language files, the "IC Binary" interface? It's really not too hard to use, and allows users to create assembly language programs that are callable from IC using the C (...) (28 years ago, 27-Oct-96, to lugnet.robotics.handyboard)
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| | sim6811 v1.3 for Mac available
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Tomaso Paoletti has kindly sent me the latest version of his 6811 simulator, easily the best available for the Macintosh. It's available on cher in the projects/6811 directory, but cher is down right now, so you can get it from the HB home page: (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | Batteries
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Hi, I once found a site that had documentation of an experiment conducted to test battery life (mainly common ones like AA,C,D,9V, etc.) of batteries by the different manufacturers. I couldn't find the site again. Has anyone seen this site? (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | (no subject)
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Just wanted to let everyone know about an address change.. I have moved from <lylehaze@n-jcenter.com> to <amigaman@erinet.com> Anyone seeking help or info on the H-Bridge schematics I have in cher should seek me out at the new E-Address.. I wonder (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Radio shack tape measure
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(...) I just got two units direct from Polaroid for $50 each plus shipping, but haven't seen anything for less. (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | 17 feet
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Well, I haven't looked at the sonar routines, but my guess is that 17 feet round trip at around 1ms / foot each way is close to 32.768 ms, which is when the 16 bit timer in the 6811 overflows (the 6811 clocks the 16-bit counter at 2 Mhz). One idea (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | upper address byte, etc.
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Greetings all I'm currently working on what you might call an expansion board. I need to gain access to the upper address byte, A15-A8, the E clock, and the reset line, in addition to the data bus. just a couple questions. 1. I know i read (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | polaroid sensors
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Ok, now that everyone has had plenty of time to play with their polaroid sensors, has anyone been able to measure distances of over about 17 feet using the sonar test routines on cher? After that distance, I just get measurements of 0'0"... :-( I (...) (28 years ago, 26-Oct-96, to lugnet.robotics.handyboard)
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| | re: Assembly Language on the HandyBoard
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(...) Ed- Two ways I am looking into: (a) Run a (freely available) shell called "PDE6811" on the PC, which includes an editor, assembler and simulator. Unfortunately, to download, PDE6811 expects that BUFFALO, Motorola's 6811 resident monitor be (...) (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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| | how to unsubscribe
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Greetings everyone, This is a friendly reminder that I, Fred Martin, am the only one who can fulfill your request to be unsubscribed. Therefore, please send such messages to me directly. Remember, that's also how you subscribed in the first place. A (...) (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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| | unsubscribe handyboard
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unsubscribe handyboard Pamela Jennings ***...*** Pamela Jennings Mind Field Productions pamelaj@panix.com (URL) (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Bootstrap Mode, Problem
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Thank you for the help, It was a cable problem I found a straight thru adapter, and I was able to communicate with the HandyBoard. Thanks again John Pope John.Pope@colorado.edu popej@ucsub.colorado.edu popej@nag.cs.colorado.edu 303-786-4272 (...) (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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| | unsubscribe handyboard
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unsubscribe handyboard David Zimmerman Hardware Engineer Diamond Lane Communications Corp zimmer@dlcc.com 707.792.2946 x144 (28 years ago, 25-Oct-96, to lugnet.robotics.handyboard)
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| | Assembly language and the handyboard
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I am planning to use the handyboard with my freshmen in Fall. In addition to the obvious benefits of demonstrating embedded systems, hardware, and robotics, I am interested in using the handyboard as a platform for introducing students to computer (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Bootstrap Mode, Problem
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In your message you said: (...) (1) I assume when you say "miniboard," you actually mean the Serial Interface/Charger board. please be careful with your language because the Mini Board is a different specific project that is not part of the Handy (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Bootstrap Mode, Problem
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Fred, Thank you very much for your response, I was able to complete the first step succesfully(1). However Step 2 does not complete succesfully the Red Led goes off and the green led stays on. Here is how my cables are configured when I hooked up my (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | unsubscribe
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Please unsubscribe "spectrum@wolfenet.com" from the handy board mailing list. Thanks, (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Bootstrap Mode, Problem
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1. first, check if the board can go into DL mode when it is not attached to the host computer. power on with STOP held down, and it should go into DL mode, indicated by both the BATT and PWR LEDs lighting briefly and then turning off and staying (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | Bootstrap Mode, Problem
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I have a handyboard that has been working fine, I pulled it out of a box, where it had sfaely been stored for a month and ran into a problem. I am connecting it to a PC, and using IC v3.1 Beta 3, The Pcode is already on the board. I can get the IC (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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| | HB for sale
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Anybody who is interested in buying "used" HB ($230 + shipping) - send us mail. The HBs was bought several months ago and was never used - we were waiting for commercial IC 3.1. Thanks, Alexander A. Chaihorsky ULTRA-RES Corp. 1395 Greg St., Suite (...) (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Motor LEDs not illuminated
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Hi Greg, Maybe you swapped the HC374 chip and the HC244 that sits next to it? Maybe the HC374 is in backward? Just my two cents - hope that helps. - Prabal (...) (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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| | Radio shack tape measure
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I found the page which detailed using the radio shack tapeless tape measure for its ultrasonic tranducer. Its at: (URL) this text he mentions getting polaroid units for $35. Can anyone confirm this? If so where are they available? - Garth Webb (...) (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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| | Motor LEDs not illuminated
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In building a Handyboard, all was well until the Motor Output Circuit. When running testmotor() none of LED1-8 illuminate. The LED polarity is correct, the debuggin steps in the manual seem to check out. I've built a 6.270 board successfully before (...) (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Fatal Internal Error
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(...) Are you using the freeware DOS version of IC? If so, please see the FAQ on this problem at: (URL) problem has to do with text file linefeed termination. The FAQ should help you fix this. -Fred (28 years ago, 23-Oct-96, to lugnet.robotics.handyboard)
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