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 Robotics / Handy Board / *6324 (-40)
  Re: LEGO parts
 
A good source for Lego and Lego Dacta parts is: Pitsco Lego-Dacta P.O. Box 1707 Pittsburg, Kansas (USA) 66762 1 (800) 362-4308 1 (888) 534-6784 (FAX) I called them for a free catalog and found them to be very helpful. Regards, Rob Lear -----Original (...) (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
 
  GP2D02 IR sensor
 
Where can I find specific instructions on how to hook up the GP2D02 to the Handy Board? Thanks! Salpi Aroyan Tapehead Manufacturing Engineering International Business Machine Corporation saroyan@us.ibm.com (408) 256-8251 (25 years ago, 7-Jun-99, to lugnet.robotics.handyboard)
 
  LEGO parts
 
Hello! Anybody knows who sells LEGO parts in USA and ships them to foreign countries. Thank you Aldo Gentile aldo@lacapital.com.ar Aldo Gentile Diario LA CAPITAL Rosario, Argentina (25 years ago, 7-Jun-99, to lugnet.robotics.handyboard)
 
  real spam on the list
 
hi all, as is now evident, handyboard@media.mit.edu has been picked up by genuine spammers. so i'm going to have to bit the bullet and install better list software. hopefully this will have the side-effect of trapping 'unsubscribe' msgs, though if (...) (25 years ago, 6-Jun-99, to lugnet.robotics.handyboard)
 
  How many times to upload??
 
Hello all, On the Handy Board, how many times can program files be uploaded to the memeory on the board? I am not much of a programmer and spend alot of time de-bugging. I can do as many as 30 uploads in an evening, all though, truth to tell, most (...) (25 years ago, 4-Jun-99, to lugnet.robotics.handyboard)
 
  Re: IC question
 
It means you've made a syntax error which the compiler is unable to interpret. The compiler "parses" or scans your source code and turns it into digital form executable by your computer. Omitting a comma, bracket, or paranthesis are some of the more (...) (25 years ago, 4-Jun-99, to lugnet.robotics.handyboard)
 
  IC question
 
What does "parse error" mean? Thanks! Salpi Aroyan Tapehead Manufacturing Engineering International Business Machine Corporation saroyan@us.ibm.com (408) 256-8251 (25 years ago, 4-Jun-99, to lugnet.robotics.handyboard)
 
  Re: Ranging techniques
 
(...) Yes, this is the method we used along after hacking up a cubic approximation using Graphical Analysis. The lookup table is plenty accurate and also demonstrates that some problems are best solved using nothing more than a ruler and a few spare (...) (25 years ago, 4-Jun-99, to lugnet.robotics.handyboard)
 
  GP2D02 IR sensor
 
How do I get values of the IR sensor to show up on the Handy Board screen? The only output that shows on the screen is 0 or 1. Thanks for your help! Salpi (25 years ago, 3-Jun-99, to lugnet.robotics.handyboard)
 
  Sharp IS1U60 IR Demodulator
 
Hello, everyone: Someone in the past month was asking on the handbyboard list where to get the Sharp IS1U60 IR demodulator. I needed to buy six of the IS1U60's recently. Through a Web search, I found a Canadian company that supplies them: HWV (...) (25 years ago, 3-Jun-99, to lugnet.robotics.handyboard)
 
  Re: Adding more meemory
 
there is a FAQ answer on this... short answer, not easy. fred In your message you said: (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  Re: using IC
 
(...) the code (...) You can then (...) On the same note, there is a list files command that you can use at the command propmpt in IC to indicate which files are loaded. Then unload will remove whatever offending file. best, Duncan (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  Adding more meemory
 
I have one quesion is i possible to add another 32k ram chip to the handyboard? can IC acces this chip?, I understand that you use the existing address lines and add an inverter on the CE signal and rout it to another chip. Has anybody done this and (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  interrupt driven serial port input queue available for testing.
 
dear colleagues, i've put together a package of files that gives you an interrupt driven serial port queue. it is currently implemented for input. the direct url is: (URL) fun and good luck. jaime montemayor <monte@cs.umd.edu> university of (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  Re: using IC
 
Hi Salpi, if you hold down the 'start' button while switching on your Handy Board, the code defined in "main" that is in Handy's memory at that time, will not run. You can then download a new program to your Handy Board and run it. Success, Marc (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  using IC
 
I'm using IC to program the Handy Board but I have run into a slight problem. How do I undefine a "main" from the board so that I can define another "main" if I can't remember the name of the window I downloaded that had the wrong "main" on it? (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  DINSMORE 1490 COMPASS
 
Hello all, If I may trouble one (or two) of you electronics gurus out there... I have a Dinsmore 1490 compass. It has twelve leads for a total of 4 sensors. I am hoping that I can at least get a rough eight point heading from this thing. I would (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  Sharp GP1U58 Hack without modifing my board
 
I have two questions. I hope someone can help. First: Is there a way to use a Sharp GP1U58 hacked to give analog values WITHOUT cutting the trace to the resistor pack on the analog inputs? Perhaps using an OP AMP. Also would removing the resistor (...) (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  ICmain
 
I accidentally hit "download window" and it defined a "main" function onto the board. How do I undefine "main" so I can define a new one? I don't remember the name of the window I downloaded. Thanks for your help! Salpi (25 years ago, 2-Jun-99, to lugnet.robotics.handyboard)
 
  Re: Ranging techniques
 
Bob Kelly wrote: 2). The GP2D02 works well too and is very useful in the short range.... Has anyone had any success at converting the output of this sensor to inches or some other linear unit of measure? It would be very helpful if somebody assisted (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  RE: Memory & Sound Detection
 
Thank You, i have downloaded the circuit from the URL : www.hooked.net/~jfon...nterface.p df , and i have another question, can the 5 V. pin of the analog input drive this circuit, How much current can draw this pin? Maybe I must take the power (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Re: Using IC with the 6811 Eval board
 
(...) Allow me to be redundant (others on the list are tired of hearing about it I'm sure): Go to www.eskimo.com/~archer, and snag the HC11 patches to the GCC-2.8.1 compiler. In there is a readme that tells how to get it going on a Linux box. It (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  RE: Ranging techniques
 
The GP2D02 output is an exponential curve so plugghing the a bunch of samples into a TI calculator and solving for the coefficients gave me the following two equations for two different sensors. G is 255 minus the ouptut reading from the GP2D02. (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Using IC with the 6811 Eval board
 
I've been using Interactive C with the Handy Board and like the convenience of C commands. I am now trying to work with Motorola's HC11EVBU evaluation board (same 6811 chip, different interface). It has a program called BUFFALO which is a (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Ranging techniques
 
Hello everyone... If I may be permitted to ask your input on some of the following... I have implemented a Polaroid sonar module and a GP2D02 IR ranging unit on a R/C servo actuated pan/tilt mechanism. I can put in "scan_long(45.0)" or (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Ranging techniques
 
Hello everyone... If I may be permitted to ask your input on some of the following... I have implemented a Polaroid sonar module and a GP2D02 IR ranging unit on a R/C servo actuated pan/tilt mechanism. I can put in "scan_long(45.0)" or (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Re: Ranging techniques
 
(...) Why not just use a table of the 18 averaged values for lookup and then estimate in between the inch measurements. This would be faster than trying to to any floating point math as long as you don't need too precise of a value (I would think (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  Encoder routines..
 
-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: multipart/alternative; boundary="----_=_Nex....6A051552" Content-Length: 2785 2. Content-Type: application/octet-stream; name="QENCOD2.ASM" Content-Disposition: attachment; filename="QENCOD2.ASM" (...) (25 years ago, 1-Jun-99, to lugnet.robotics.handyboard)
 
  __initialize_module_1 <int> (<int> arg)
 
Hi, How do we use the function : __initialize_module_1 <int> (<int> arg) ? I could not find a explanation in the IC manual. Please include a simple example. Is it similar to start_process ?? Thanks, Terry Gathright (25 years ago, 31-May-99, to lugnet.robotics.handyboard)
 
  PH detector
 
Hi to all: I would like to know if somebody have used the handyboard for length the PH (Potencial Hydrogen) of a particular solution. I'll start to use an Hidroponic technyc to produce plants, fruit, etc. and the PH is an important part of the (...) (25 years ago, 31-May-99, to lugnet.robotics.handyboard)
 
  Re: Sonar_closeup() doesn't work!
 
Hi resending a message posted a while ago. Hi all if anyone has problems using the 6500 series for distances below 35cm by using the binh signal I have a possible solution to the problem. We also expierienced problems using the sensors for distances (...) (25 years ago, 31-May-99, to lugnet.robotics.handyboard)
 
  Re: Memory & Sound Detection
 
(...) Umm, not sure what exactly you are asking here. If you have programs loaded in the HB, then you also have the pcode downloaded. At the IC prompt type "unload filename.c" and the file will be removed from the HB. (...) This was done ten years (...) (25 years ago, 31-May-99, to lugnet.robotics.handyboard)
 
  Re: Memory & Sound Detection
 
Hello, (...) Using "unload filename.c" to unload any program resides in the memory. (...) You can take a look of the book "Mobile Robot -- Inspiration to Implementation" It has a circuitry exactly to do this. It uses an amplifier LM386 (very common (...) (25 years ago, 31-May-99, to lugnet.robotics.handyboard)
 
  Memory & Sound Detection
 
Hi, Is there a way to remove a program from the memory of the HB without downloading the PCode? , for example i have two programs in memory, and i want to remove only one of them, is it possible? Also i am looking for a way to use 2 or 3 electret (...) (25 years ago, 30-May-99, to lugnet.robotics.handyboard)
 
  Re: C++ (Serial and Parallel port)
 
Hello, If you use Borland C for DOS, on a Win95/98 then you can use the outport, inport functions. For other compilers and WinTel systems it is also possible. What compiler do you use, and what WinTel system do you use? (...) Charles Hacker Lecturer (...) (25 years ago, 30-May-99, to lugnet.robotics.handyboard)
 
  62256LP-120
 
Hi .. I found the 62256LP-70, but i´m not sure if it´s goning to work. Because the 62256LP-120, has a 50 nanosecond different. Thanks!! for all the catalog order suggestions, but with the shipping the charge could go up to $25. I´m going to try (...) (25 years ago, 29-May-99, to lugnet.robotics.handyboard)
 
  Auto, and LCD
 
I cannot find any Specs on the hitachi display; therefore it is making it hard for me to find an alternative. Firstly what pixel ratio could I get away and still be able to read the display. Or should I get a display that uses cursors. Less (...) (25 years ago, 29-May-99, to lugnet.robotics.handyboard)
 
  Re: hbtest.c Problems
 
(...) Matt, these functions are likely defined in: lib_hb.c lib_hb.icb Which should be listed in your library file for the HB: lib_hb.lis Hope this helps, Duncan (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
 
  Fw: HOW TO UNSUBSCRIBE
 
-----Original Message----- From: Fred G Martin <fredm@media.mit.edu> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: Wednesday, May 12, 1999 7:33 AM Subject: HOW TO UNSUBSCRIBE (...) (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
 
  hbtest.c Problems
 
Hi all(Again!), I'm having a problem with the hbtest.c program on my handyboard, I'm at stage 7.2.2 of assembly, where you load the above file using ic, and it wont load it. DL works fine, and ic will download other .c files, and I can type c (...) (25 years ago, 28-May-99, to lugnet.robotics.handyboard)


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