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 | | Re: analog input test
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| If the sensor headers look like this: live signal [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [X] +5v [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] ground [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] (...) (27 years ago, 7-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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| | Re: Sonar
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| (...) Each diode loses 0.6v. The string of them drops the HB battery down from 9.6v to 6.0v, which is the specified operating voltage of the sonar unit. You can probably substitute 1N4001s. Fred (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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| | Re: Modem Cable
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| It is straight-thru. Please note that if you are connecting from a 9-pin male PC port to the HB interface's 25-pin female, the means that you have the following mapping: DB-9 DB-25 2 3 3 2 5 7 In other words, the same cable as you would use to (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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| | Re: Problems starting IC
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| Maarten -- Quickly I can make the guess that your local copy of PCODE_HB.S19 is corrupt. The fact that PCODER22.S19 works indicates there's nothing wrong with your board. Try re-downloading PCODE_HB.S19 from the web site? Fred In your message you (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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| | Re: Connecting a second sonar module
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| (...) Sure, there's no reason you could set it up to use PD4, PD5, and TIC3 for a 2nd sonar. you might be able to get away with some signal multiplexing, assuming you're only firing one sonar at a time. i could see the BINH being no problem. For (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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| | Re: 9600 Baud / help with pa7
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| (...) Perhaps you have the RJ11 cable wired wrong. Make sure you have the ground signal and the data from pa7/digital 9 connected. see below... (...) Looking at the digital and analog sensor headers: live signal [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.096)
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fred
(score: 0.096)
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| | Re: Congratulations (I think ????)
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| Hi Scott (& everyone), Yes, two days ago the LEGO company officially launched "LEGO Mindstorms," which is a new brand and product line inspired by the MIT Programmable Brick research. Scott -- thanks for noticing, and digging up the URL (URL). I am (...) (27 years ago, 29-Jan-98, to lugnet.robotics.handyboard)
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fred
(score: 0.095)
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| | Thanks Fred et al...
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| My first scratch-built HamdyBoard has passed all of it's tests and is up and running. I've only been looking for something like this for about twelve years, so I'm REAL happy. I especially appreciate the emphasis on both hardware and software (...) (27 years ago, 18-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.095)
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| | downloaded
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| Finaly I have got to download pcload in my HB!!!! You are rigth, I´ve load in a Macintosh CI. Now with IC system in the board, I can work in my Mac G3. ?:-( . Fred, thanks for all. I am trying to buy the key password for IC 3.1, but is impossible, (...) (27 years ago, 19-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.095)
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| | RE: Expanding the memory of the handyboard
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| Dear Fred, The Mechatronics class competition was to build autonomous miniature forklifts that would navigate a complex course. In the course, the forklifts had to identify, pick up, and deliver three. The path that the forklifts had to negotiate (...) (27 years ago, 17-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.095)
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| | Re: Dallas NVRAM.
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| German -- The Dallas NV RAM should work fine. Just so you know -- for future reference -- Interactive C will not work resident in a ROM. Interactive C must operate out of RAM. Fred In your message you said: (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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fred
(score: 0.094)
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fred
(score: 0.094)
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| | HB web site design changes
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| Hi all, Those of you running Internet Explorer on Windows 95 or NT have probably noticed that the table of links running down the left column is hard to read -- light blue (or purple) links on a medium blue background. Those links are supposed to be (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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fred
(score: 0.094)
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| | Re: 8 bits A/D bus
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| Please read Appendix B of the 6.270 Robot Builders Guide. This explains how to interface latches with the Handy Board. See (URL) Hello, (...) s (...) k (...) e (...) (27 years ago, 14-Jan-98, to lugnet.robotics.handyboard)
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fred
(score: 0.094)
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| | analog input test
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| Fred; I am at the testanalogs portion of the assembly process. All has gone well up until this point. The knob varies between 0 and 255 as expected and the seven numbers all come up either 254 or 255 when I press the START button. However I am (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.094)
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| | Re: questions re: unix version of IC
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| Joshua - There should be no problems using the Gleason Research libraries (or any of the libraries that are on the web site). There are no differences between version 2.851 and 2.860 from the point of view of the libraries. There is a pre-compiled (...) (27 years ago, 13-Jan-98, to lugnet.robotics.handyboard)
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fred
(score: 0.094)
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| | Re: encoder function
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| Hi all I have written some routines to measure frequencies from 30Hz to 30kHz. I'm posting this with an attachement because several people have ask me already for these routines. To Fred: You can add these routines to the ftp server or anywhere on (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.093)
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fred
(score: 0.093)
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| | Config reg.
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| Using DL pcode_hb.s19 I got the following msg about 12 times, only on the 811e2 chips, the A1'a I could set the config to anything and change it back. Please place board in download mode and press RETURN To quit, press Q For help, press H (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.093)
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