 | | Re: Gear Motors
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(...) Check out Herbach and Rademan at www.herbach.com for surplus DC gearhead motors. They often have 6-24 volt, optically encoded motors for $20-$25 each. J.V. -- ***...*** * John Vaughn Phone: 315-781-3906 * * Dept. of Math & Computer Science (...) (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | Re: pneumatics
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(...) The components you're looking for sound exactly like ones that came with my Lego Technic kit. The actuator cylinders come in two sizes (the big one's about the size you're looking for), and there's a compressor cylinder and pressure reservoir (...) (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | pneumatics
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does anyone know of a good sourec for pneumatics? Im especially interested in smaller pneumatics, like those about 1-2" long, with a stroke of 1-1.5" Thanks! phil (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | Nowbody can help me???
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I can't believe nowbody of the list users know how works the sound routines in the handyboard??? Please, if any have idea of how i can implement that on OTHER C COMPILER (don't interactive C), please anwser to my question. P.D,: Remember , the (...) (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | robots rising program
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Hi Guys, Get off the computer and tune to the discovery channel to catch this program comming on at 8:00 cst. I believe it is going to last one hour. Bye Terry P Gathright (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | ? Mabuchi RS280 motor
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Hello all, I've connected a mabuchi rs280 motor to the handyboard. When activated with the following command, "motor(0,12);" the motor speeds up and then stops, and the board also beeps. the ratings for the motor are as follows voltage range 6-9 (...) (27 years ago, 16-Mar-98, to lugnet.robotics.handyboard)
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| | RE: IC Pointer Questions
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Hi, thanks for your reply ... Why don't I use the encoder0_counts variable ? I want to create a multi-tasked environment with seperate processes for each wheel to calculate wheel speeds. The same code will be used to calculate speed for 4 wheels. (...) (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | Re: IC Pointer Questions
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(...) If I am understanding you right... I haven't looked at the encoder routines yet, but I am assuming encoder0_counts is global. Why not, just omit the pointer count from the _encoder struct and just use the global, since you already have it? (...) (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | Gear Motors
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I was wondering if anyone has a good source for fairly high quality, low cost gear motors that inteface well with the handy board. Right now i am using a cheap little, current hungry 3v toy bulldozer as a platform. I would love to find some nice (...) (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | IC Pointer Questions
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Howdy all, I finally attached an infrared reflectance sensor to my handyboard and it works! With my non-existent electronic experiences I managed to solder a resistance (330 ohms) to a three-legged sensor similar to the four-legged variant mentioned (...) (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | (no subject)
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I recently got a handy board and I want to use the infrared signal to keep it from hitting a wall. How would I do this and how can I get a touch switch and get it to work. Chris Frost forgetful@lisco.net (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | (no subject)
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I recently got a handy board and I want to use the infrared signal to keep it from hitting a wall. How would I do this and how can I get a touch switch and get it to work. Chris Frost forgetful@lisco.net (27 years ago, 15-Mar-98, to lugnet.robotics.handyboard)
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| | Re: I can't beep my handy (again)
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German Gentile-- I know nothing about Imagecraft C, but here's how the beep function is defined in lib_hb.c (the Interactive C library of functions written for the Handy Board): void beep() { tone(500., .1); } /* 1/2 cycle delay in .5us goes in 0x26 (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | I can't beep my handy (again)
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Please anybody tell me how i can beep my handyboard with imagecraft C. Sorryfor send that again , but nobody send me a answer so , pls , give me a little explication on how i can do that. I only want to play a beep like i do with th IC. In (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | FAO MARIE CAHILL
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Hi everyone.. sorry to use the Handyboard mailing list for this, I'm trying to contact Marie Cahill who sent me some messages regarding robotics and stuff: Marie, I tried to send you a message from work to the address <mchu4mc1@fs2.ee.umist.ac.uk> (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Undefined
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(...) <snip> The code that defines these and other useful functions is called lib_hb.c, and versions of it can be found on the Handy Board web site (e.g., the most excellent version that includes smooth pulse-width modulation for the motors). --Will (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | multiplexing tomes on Handyboard?
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hello! Is there any way to write up a driver so that the soeaker can play 2 tones at once, like a telephone doeS? I triede creating 2 processes to play difrent tones, and then I attempted to run them simultaneously, but that resulted in a HB error. (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | Metal detectors
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Has anyone ever built a metal detecting device? I found some plans at (URL) but I don't know how sound it is, but I assume it works. I would like to interface the HB with a metal detector and have my robot search around for metal object. Any advice (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | Strange IC error (nevermind)
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Never mind... I discovered that IC didn't like me using a variable for the 8 bits to pass to bit_set and bit_clear (too bad it didn't just tell me that instead of throwing its arms up and quiting). I wanted to use the variable to save code space, (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | Undefined
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Hello everyone! I was wondering why my IC compiler ( IC-2.853Rev2 ) keeps giving me wacky and excessivly silly errors. Are there libraries that I was supposed to download to get rid of those pesky start_button and start_press undefined error (...) (27 years ago, 14-Mar-98, to lugnet.robotics.handyboard)
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| | Strange IC error
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I have attached the HB to a formerly radio controled car. I built an h brigde as described on wizard.org to control the motor. Anway.... all is going well, I have written routines to control the motor. Still sounds great... Until I get to uploading (...) (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | I can't beep my handy....
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I cant't make beep my handy, anyone can tell me how make it using Imagecraft C???? Thanks a lot (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | Camera on the Handyboard
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Hello! Does anybody have any experience in using cameras with the handyboard? Or is its CPU too slow? In that case: can you recommend a different board? Thanks, Jan ___...___ Jan Peters Student: Elektro- & Informationstechnik(TU Muenchen) (...) (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | 6.270 1998 videos available
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------- Forwarded Message Received: from MIT.EDU (SOUTH-STATION-ANNEX.MIT.EDU [18.72.1.2]) by aleve.media.mit.edu (8.8.7/ML970927) with SMTP id BAA04302; Fri, 13 Mar 1998 01:08:38 -0500 (EST) Received: from DEPARTMENT-OF-ALCHEMY.MIT.EDU by MIT.EDU (...) (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Kent's sonar routines
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(...) The line "variable_sonar_time" indicates that the immediately following FDB will be available to IC as an integer variable named "sonar_time". The next line with the FDB is just a regular assembler definition statement to allocate storage for (...) (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | Kent's sonar routines
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Can anyone clarify something for me? A section of the code of sonar.asm goes as follows: variable_sonar_time sonar_time FDB 0 What does this mean? Why are there two variables before the FDB? Another section goes as follows: variable_sonar_enable FCB (...) (27 years ago, 13-Mar-98, to lugnet.robotics.handyboard)
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| | Writting plain Machine Code
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Hello All, I wish to program the Handy Board by plain machine code. Does anyone know how to download a plain binary S19 code, using a standard serial terminal, communicating to the given IC monitor. Also, how would I get the downloaded machine code (...) (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | Re: PC/Handyboard serial communication
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Hi all, I wrote in a previous message: (...) As many people has requested me to send the code, I have decided to put it on my microrobot projects page. Use it at your own risk! It is still in development, but it can serve to show how to make the (...) (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | robot with two handy boards
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Hello, We plan to design a robot which has to move very quicly and very accurately. For this matter we wonder if it is necessary to use one handy board or to link two handy boards to complete such a task. (If we use 2 HB, one (the slave) would be in (...) (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | Linking two handy-board
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Hi, everybody. A little question that upset us : We plan to use two handy-board : a master handy-board and a slave one. The slave handy-board would make some difficult calculations for the master one and would send the results to this last one. The (...) (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | Re: downloader for SGI
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Nari: I don't know of a precompiled SGI version. You can build one yourself from the sources listed in ftp://cher.media.mit.../projects/ interactive-c/source/. Also, please be aware that when you send mail to "handyboard@media.mit.edu" you are (...) (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | downloader for SGI
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Hi Fred, I like to connect my handy board to an O2 platform. Could you please tell me where I can find downloader for unix system? many thanks, nari (27 years ago, 12-Mar-98, to lugnet.robotics.handyboard)
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| | Re: beeping me handy...
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(...) Use the beep() routine, from the standard IC runtime library. -d The Fourth Law of Programming: Anything that CAN go wrong wi /kernel: pid 128 (sendmail), uid 0: exited on signal 11 (core dumped) (27 years ago, 11-Mar-98, to lugnet.robotics.handyboard)
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| | APC
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Does anyone know what the web site to APC is. I would like to order some pics such as Chuck McManis is using for motor controllers. If anyone has ordered them already please include information on how you ordered them. Thanks, Scott Sherman (...) (27 years ago, 11-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Assembler
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(...) No, however IC can access an integer value declared in assembler, which amounts to the same thing. Just precede the definitition with the line variable_C_name, where "C_name" is what you want the variable to be called in IC. I usually make the (...) (27 years ago, 11-Mar-98, to lugnet.robotics.handyboard)
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| | Defining Start Button
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Hey! Thanks Will for the groovy code! I debugged the bits the compiler didnt love and am left with one error beyond my limited comprehension. It doesnt like the bit with waiting for the start button that starts it. It says it is undefined. How do i (...) (27 years ago, 11-Mar-98, to lugnet.robotics.handyboard)
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| | Re: PC/Handyboard serial communication
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(...) I use Linux to talk to my HandyBoard. I have written a couple of functions (in plain C) to do so, and implemented a software handshake (even with low speed PCs you have to do some sort of handshake). Of course, the merit is not mine, I have (...) (27 years ago, 11-Mar-98, to lugnet.robotics.handyboard)
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| | Assembler
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Can assembler access an integer variable declared in IC? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science (...) (27 years ago, 10-Mar-98, to lugnet.robotics.handyboard)
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| | PC/Handyboard serial communication
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I am writing a PC program to communicate with the Handyboard via its RJ11 jack using the serialio routines. On the Handyboard side, all we can do is poll the port, but what have people done on the PC side? It should be easy to just poll the port (...) (27 years ago, 10-Mar-98, to lugnet.robotics.handyboard)
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| | IR receiver
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I´m trying to use the ir output & ir receiver in my HB to control proximity objects. Where can I find information this? How works r22_ir.c? (27 years ago, 10-Mar-98, to lugnet.robotics.handyboard)
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