 | | Ranging techniques
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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)
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| | Re: Ranging techniques
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(...) 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)
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| | Encoder routines..
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-- 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)
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| | __initialize_module_1 <int> (<int> arg)
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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)
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| | PH detector
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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)
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| | Re: Sonar_closeup() doesn't work!
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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)
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| | Re: Memory & Sound Detection
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(...) 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)
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| | Re: Memory & Sound Detection
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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)
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| | Memory & Sound Detection
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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)
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| | Re: C++ (Serial and Parallel port)
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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)
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| | 62256LP-120
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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)
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| | Auto, and LCD
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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)
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| | Re: hbtest.c Problems
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(...) 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)
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| | Fw: HOW TO UNSUBSCRIBE
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-----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)
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| | hbtest.c Problems
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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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| | Discontinued subscriptions
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Please don't post your request to be removed from the handiboard group to the handiboard mailing list. This sends a copy to EVERYONE on the list. It's rude, and bothersome. I'd suggest sending the request for removals to the same email address that (...) (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
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| | withdrawal
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hi, JUST TO INFORM YOU PLEASE WITHINDRAW MY MAIL WITH EFFECTIVE RIGHT NOW FROM THE HANDYBD NETWORK. i DO NOT WISH TO RECEIVE FURTHER MAILS OF OTHERS. RGDS, PHILLIP CHIA (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
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| | Re: C++ (Serial and Parallel port)
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It depends on what platform you are using. C++ does not provide a standard interface for serial or parallel IO. What OS are you using? -Chris ----- Original Message ----- From: <sakar@servidor.unam.mx> To: <handyboard@media.mit.edu> Sent: Thursday, (...) (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
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| | Re: P code
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P-code, I assume, stands for "pseudo code." The P code represents tokenized op codes for a virtual machine interface. First the source is COMPILED into an intermediate set of tokens or commands which are then INTERPRETED by the processor. It's sort (...) (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
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| | C++ (Serial and Parallel port)
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Does anybody know how what function(C++) should i use to read and input or make an output through a serial or parallel port What function should use or make? Thanks in advance Daniel ---...--- " `BETTER´ IS THE ENEMY OF `GOOD ENOUGH´" ---...--- (25 years ago, 28-May-99, to lugnet.robotics.handyboard)
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