 | | Precision Resistor?
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lynneg@dbn.lia.net Hi, I'm trying to build a HandyBoard up from scratch and am having a few problems with certain parts. Very few companies sell the 3.83K presision resistor (R4) or only at an extremely high prices. Would it be possible to replace (...) (25 years ago, 13-Jun-99, to lugnet.robotics.handyboard)
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| | Question about interrupt driven serial port input queue available for testing
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Hi pals, I downloaded the package for interupt driven serial queue from the website ((URL) I tried to run the demonstration file as instructed. But i didn't understand which communication application should be used for this purpose. Can any one (...) (25 years ago, 12-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Memory & Sound Detection
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Dear Jose, (...) I believe that there is an unload command, with syntax unload <filename> Please verify it. Yours sincerely, Nitin (25 years ago, 11-Jun-99, to lugnet.robotics.handyboard)
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| | EEPROM burner
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I apologize for this to those who mind. It *is* a bit off topic, but I have tried all other avenues available to me with no luck. I'm looking for a person who has an EEPROM burner or the schematic for one (If I had the schematic I would build one (...) (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Hi
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I don't know if the code gets corrupted, but the LED's do not do what they are supposed to do in download mode once in a while. Regardless of the lighting of the LED's, I am still able to download the code into my handyboard and keep on 'botting! (...) (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Hi
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Satish: The fact that the red and green leds in the lower left corner do not light up and than shut off after ~1/3 sec. means that your board does not reset and goes into download mode. This is the reason why the downloader states: "Wrong Port or (...) (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Hi
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Thursday, 10th day of June, 1999, 12:18 AM, EST. Hi, I recently joined the HB club by buying a pre assemebled HB. I soldered the battery pack terminals to the HB (yes I checked the +ve and -ve terminals). However, when I try to follow the (...) (25 years ago, 10-Jun-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, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Bad Memory ? Help!!!
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Hi I trie to use the 62256BLP-10, instead of the 62256LP-120. And it didn´t work on the Handy board, but download program on the PC, said that the download was fine "Reboot the board", then I unplugged the Memory Chip, and tha same thing happend. (...) (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | unsubscribe help
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I lost my directions on how to unsubscribe and the email address that I send it to could you please help (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Many requests for source for DS1233-10 and IS1U60.
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All: I found a good source for above mentioned parts at Future electronics. Web site : www.future.ca/fai , no part search but contact adresses in here. I used their Sacramento outlet: 3009 Douglas Blvd Suite 120 Roseville, Ca 95661 Voice (916) (...) (25 years ago, 10-Jun-99, to lugnet.robotics.handyboard)
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| | Re : Where can I get a cheap HB?
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Hi, I'm a french student and I buy one handy board at robot store (HongKong) only by mail. I paied it about 179 Euros for the assembled version with the Interactive C version 3.1. I think that for the first handy board it better to buy it assembled (...) (25 years ago, 9-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Where can I get a cheap HB?
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Jens, I too built up a pair of Handy Boards from parts I bought myself. I concur that the assembled price is around $100 plus or minus for both the Handy Board and expansion board. However, the time spent to find all the components, some of which (...) (25 years ago, 9-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Where can I get a cheap handyboard?
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Jens: I recently build (last month) two handyboards and spent approximately $200.- US total. I live in California. I got the components through various mail order places like: Digikey, Mouser. And from local discount surplus electronics store HCS, (...) (25 years ago, 9-Jun-99, to lugnet.robotics.handyboard)
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| | Microsoft IntelliEye mouse - very good robot position tracker?
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Product Description: "Microsoft IntelliEye technology employs a tiny chip with a sensor and digital signal processor (DSP). The sensor’s glowing red light captures “snapshots” of the work surface at a rate of 1,500 images per second. The DSP (...) (25 years ago, 9-Jun-99, to lugnet.robotics.handyboard)
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| | Re: How to make your own assembly code position independant
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Marobi, Do not know much about IC and assembly code downloading. However, I have produced a system for programming the HandyBoard with Assembly/machine code. This system may help you. It can be downloaded from: (URL) (...) Charles Hacker Lecturer in (...) (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Digital Input Problems
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(...) Sounds like the inputs are shorted together somehow. Check your soldering in this area for bridges. Best, Duncan (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
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| | Digital Input Problems
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Hi all, I'm at stage 7.2.2. of assembly, and I have partial failure of the digital ins, when I type "testdigitals();" at the ic prompt, (After pressing start, and stop) I get on the handyboard screen 9 gently flashing zeros, nothing wrong so far (...) (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
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| | Where can I get a cheap HB?
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Hi all, To start with the HB I have to buy one. But where can I get a HB with an acceptable price? Or should I buy the components to build the HB myself? Jens G. (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
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| | Re: GP2D02 IR sensor
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Hi try (URL) Where can I find specific instructions on how to hook up the GP2D02 to the Handy (...) Tom -- Thomas Hauri ZHW Zuercher Hochschule Winterthur University of applied sciences IMS Institute of mechatronic systems Technikumstr.9 /PF CH-8401 (...) (25 years ago, 8-Jun-99, to lugnet.robotics.handyboard)
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| | Re: LEGO parts
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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)
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| | GP2D02 IR sensor
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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)
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| | LEGO parts
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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)
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| | real spam on the list
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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)
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| | How many times to upload??
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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)
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| | Re: IC question
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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)
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| | IC question
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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)
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| | Re: Ranging techniques
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(...) 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)
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| | GP2D02 IR sensor
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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)
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| | Sharp IS1U60 IR Demodulator
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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)
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| | Re: Adding more meemory
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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)
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| | Re: using IC
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(...) 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)
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| | Adding more meemory
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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)
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| | interrupt driven serial port input queue available for testing.
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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)
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| | Re: using IC
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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)
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| | using IC
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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)
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| | DINSMORE 1490 COMPASS
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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)
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| | Sharp GP1U58 Hack without modifing my board
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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)
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| | ICmain
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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)
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| | Re: Ranging techniques
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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)
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