 | | RE: Schematic drawing - freeware ???
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I came across this web page today. It may have what you are looking for. (URL) Message----- From: Les Novotny [mailto:les@progress...tions.com] Sent: Friday, May 01, 1998 11:03 AM To: handyboard@media.mit.edu Subject: Schematic drawing - freeware (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: loading files
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It suggests you are not loading lib_hb.c on start up. If you type list files at the IC command line you should see this file listed, as well as any others. If it isn't there, check your lib_hb.lis file and be sure lib_hb.c is listed in it. (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Schematic drawing - freeware ???
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Hi, Has anyone come across a freeware schematic drawing package for Windows PC? Any help would be much appreciated. thanks in advance. Les (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: V2x and sonar
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If you only use one motor controller IC you can use the 16 pin socket of the second motor control to get 4 more outputs. Then you can connect the INIT and BINH to these and have Port D control your V2x compass. All you have to do is modify your (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | loading files
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Hi, I am having problems loading my files onto handyboard. Whenever I try to load a file, it says ; function analog undefined function motor undefined It used to work fine before and I don't know why I am having this problem all of sudden. Can (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | V2x and sonar
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Hi, Wouldn't it be possible to wire them both to the same input port and turn on the one that you want information from and turn the other off? For example, the polaroid sonar data states that you can control turning on and off the device, so you (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | SPI Interface
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Hi, is there anywhere a function for IC 3.2 to communicate via the SPI interface with another controller ? Thanks in advance. Erwin (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Alternate Part - DB101-ND
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I could not get the bridge rect from digikey for the DB101-ND. Does anyone know of an equivelant part(s) that I might get somewhere else? Otherwise I'll have to wire some diodes up for this. -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect the (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: Quick prototyping technologies
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(...) I recently contacted Vero aboout Speedwire. The product is indeed discontinued and they have no old stock in the UK. However, speedwire pins are, apparently made for them by someone else. Unfortunately they could not find out (at that time) (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: Schematic Question
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You're missing the fact that the telephone style RJ-11 cable is an inverting cable. see page 11 of 16 of the Handyboard FAQ at (URL) a discussion and diagram of this (and the consequences of using the wrong cable!). -patrick ---...--- (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Schematic Question
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I have been looking at the schematic for the handyboard and the RS232/Charger board. I noticed something that seems wrong. But how could it since this has been out for some time? Power goes out pin 4 of J10 on the Charger board and pin 4 on (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | V2x AND Polaroid Sonar
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Hello again, Has anyone been able to wire the V2x compass and the Polaroid sonar device both to the HandyBoard and, if so, how was it done? Thanks, Scott sherman@plains.nodak.edu CSG ITS NDSU (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | Quick prototyping technologies
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I am looking for good methods for quick prototyping and would appreciate all suggestions. In Mobile Robots by Joseph L. Jones and Anita M Flynn, they suggest using Scotchflex by 3M and Speedwire by Bicc-Vero company as two good alternatives to using (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | memory expansion
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Hello, Has anyone figured out a GOOD way to expand the memory on the Handy Board? I would like to try using a 32 pin simm (I have sizes ranging from 256k to 4M) to store mappings (distance and turns) created by the initial "adventure" it takes of (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | memory expansion
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Hello, Has anyone figured out a GOOD way to expand the memory on the Handy Board? I would like to try using a 32 pin simm (I have sizes ranging from 256k to 4M) to store mappings (distance and turns) created by the initial "adventure" it takes of (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | Smooth PWM with IC 3.2
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I know this is an old thread but I am just now getting to the point where I can finally start programming. I am using IC 3.2 and the expansion board. I downloaded the smooth PWM routines from Newton Labs but I get errors when I load them into the (...) (26 years ago, 29-Apr-98, to lugnet.robotics.handyboard)
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| | More Polaroid problems!
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Well, everything seemed ok, but now (we are in a crunch again, the final presentation is Friday!) there is another problem. We seem to be getting some erroneous distances and I think I know why. The echo signal is pretty noisy, so my question is, (...) (26 years ago, 29-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Handy board help
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(...) There is a little strip of four pins for external battery power and are available with the standard battery pack installed. Two of these are battery positive, two are at ground. Shorting them out is a good way to let the smoke genie loose. (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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| | IR Transmit
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I am trying to get two handyboards to exchange data via the IR. I have tried code from the Dave Negro and Pete McCann code, but I still cannot get reliable data transmission at any range. Summary of situation: REC80-IR.icb: Reliable reception of (...) (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Help!! Polaroid problem!!!
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Note that sonar in air is susceptible to the same environmental issues as sonar anywhere. In particular it is susceptible to changes in temperature and changes in air pressure. Both of which create a boundary layer that reflects some of the energy. (...) (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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