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 Robotics / Handy Board / *2384 (-40)
  Re: Robot lawnmowers
 
<Jim Egbert (MARS list) expressed interest in building a robot lawnmower> I found the easiest way to cut the grass: live in an apartment and let the landlord worry about it :-) Radio Electronics published a very detailed series that showed how to (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
 
  Memory system problems
 
Hi, I have been building my first handy board and I've managed to get things working until 6.0.5. My board downloads the pcode_hb.s19 file successfully, but when I reboot the LCD continues to show the single row of blocks and no beep. I have done (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
 
  Future versions of handyboard?
 
Are there any plans in the works now for future versions of the handyboard? What new features would people like to see? Keith Keith Soldavin kas219@email.psu.edu (URL) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
 
  Re: spi serial port.
 
(...) Tom Dickens built a RoboCat using four 68HC11 processors that talk over the SPI bus. He described the project in the JAN-MAR 1997 issue of ROBOTICS DIGEST. You can reach him at tpd6908@yak.ca.boeing.com or (206) 655-7748. Cheers, Michael A. (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Communication with PC (2)
 
REF: TCP/IP & the HandyBoard Hello Mr. Chuck, Thanks for the feedback and sorry for the delay of my own feedback. I inquired about the TCP/IP alternative because we have acquired two Nomadic Technologies Mercury RF TCP/IP modems. They are (...) (27 years ago, 30-Jun-97, to lugnet.robotics.handyboard)
 
  IC multitasking
 
Hi Everyone, While using the multitasking facilities of IC, is there a limit on the time allowed for each process (# of ticks). for instance can i define start_process(backup(),3000); (3 seconds) assumin that all activities within this process 'll (...) (27 years ago, 29-Jun-97, to lugnet.robotics.handyboard)
 
  Trouble with DMS
 
I also have not recieved my IC manual from Digital Micro Systems, does anyone have any idea what is going on? Any insight would be appreciated. -Peter E. -- Peter Eacmen Boston Latin School E-Mail:Eacmen@postof...et.att.net Home Page: (URL) (27 years ago, 29-Jun-97, to lugnet.robotics.handyboard)
 
  Robot contest video
 
The video of the 1997 Trinity College Fire-fighting Home Robot Contest is now available! This 57 minute VHS video contains highlights of this largest, public, true Robotics competition held in the U.S. that is open to entrants of any age, ability or (...) (27 years ago, 28-Jun-97, to lugnet.robotics.handyboard)
 
  Re: No messages since May 5,1997
 
(...) Dear Alex, If you have not been receiving messages from the Handy Board list then it is likely to be the simple case of your mailer bouncing a message and my removing you from the list, as per the stated policy. I frequently and without (...) (27 years ago, 28-Jun-97, to lugnet.robotics.handyboard)
 
  Re: spi serial port.
 
(...) taxonomic (...) Spot" (...) That's an interesting topology. If someone is using Master/Slave principle, he could take some of the master processing time to give voice to each slave, like cycling thru all the nodes. He could even build an (...) (27 years ago, 28-Jun-97, to lugnet.robotics.handyboard)
 
  Re: spi serial port.
 
e. crispell wagner spake unto the ether: (...) Please don't laugh at me, folks, you may not believe it, but this problem was solved in 1982 by the ill-fated Coleco ADAM computer. The ADAM's peripherals (disk drive, tape drive, printer, (...) (27 years ago, 27-Jun-97, to lugnet.robotics.handyboard)
 
  spi serial port.
 
Has anyone done any work on 'networking protocol' using the spi port on the handy board to communicate with other 6811's/handy boards/mini-boards? Any information regarding the spi for serial communications or a simple network would be appreciated. (...) (27 years ago, 27-Jun-97, to lugnet.robotics.handyboard)
 
  Re: No messages since May 5,1997
 
(...) have caused problems for more people. A year and a half ago Ultra-Res ordered from DMSC a HB based PID temperature controller. We have a policy here to order non-critical things from young engineering companies. We were helped when we were (...) (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  No messages since May 5,1997
 
Dear Fred: I have not received any messages from [handyboard] since May5, (exactly the date when my credit card was charged $100 for the professional copy of IC3.1). I also have not received any printed manuals (promised just after May 5th) and my (...) (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  Re: IR?
 
(...) SEE THE FAQ regarding ICB files at (URL) -Fred (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  Re:DC generator
 
Maybe try a lego motor or similar electric motor .The electrical inputs become the outputs.I've only tried this once with a 9 volt motor by lego and it generated about 9 volts when spun at the same revs as it would have run when used as a nine volt (...) (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Music??
 
load the file music.c then type the function at the prompt. i.e. c>pp(); ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the (...) (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  Re: 6811 Suppliers
 
(...) I buy quite a few 'E2FN chips for Miniboards - and I know why small quantity suppliers want $25-30. I pay between $15-20 each in quantities of 100. Add a bit to get them to me, a bit to ship them to you, and $25 doesn't leave much profit for a (...) (27 years ago, 26-Jun-97, to lugnet.robotics.handyboard)
 
  Re: 6811 Suppliers
 
(...) Hey Cris- If you're willing to sacrifice 4 analog ports you can buy Jameco's part number 116960 which is a MC68HC11A1P controller chip in a 48-pin DIP package. They used to sell for $16.95 but have just recently dropped to $13.95 in their last (...) (27 years ago, 25-Jun-97, to lugnet.robotics.handyboard)
 
  IR?
 
I tried to load the Onboard (sony-ir.icb) file and the computer ====C>Fatal Internal Error = = Illegal line in .s19 ==== The words "fatal" & "error" kinda worry me! P.S.___...___ I loaded up the music.C file Man! that's pretty cool I had no idea it (...) (27 years ago, 25-Jun-97, to lugnet.robotics.handyboard)
 
  6811 Suppliers
 
Does anyone know of any reseller of the 68HC11E2FN that is reasonable. All the major suppliers tend keep their prices around 25-30 dollars a chip. Any information would be helpful. Thanks. -Cris ---...--- E. Crispell Wagner Department of Computer (...) (27 years ago, 25-Jun-97, to lugnet.robotics.handyboard)
 
  Music??
 
I saw a file in my File Manager that was titled [MUSIC.C]can you include this in a code to play the songs that were listed on it?? THX, RANDY (27 years ago, 25-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Sonar
 
Hi All, In Kent's sonartst.c (interfacing polaroid sonar to HB) the range in inches is given as sonar_time = sonar_time/150; could anyone explain why that factor 150 ? Thanks Sriram (27 years ago, 25-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Handy Board for sale
 
(...) and >I purchased IC version 3.1 Just curious - what is this "motor and sensor kit"? I've never heard of it before, what's in it, and who sells it? ---...--- Jeff Keyzer UCSD EE Major jkeyzer@ucsd.edu (URL) (27 years ago, 24-Jun-97, to lugnet.robotics.handyboard)
 
  Parts?????
 
I need help locating a few of the "hard to find parts" for the HB. I still need the; Sharp IR demod. IS1U60 and the 16x2 LCD display. I can't find either of them. Are there any crosses for the IR demod's or the LCD that would do the trick? Thanks in (...) (27 years ago, 24-Jun-97, to lugnet.robotics.handyboard)
 
  Handy Board for sale
 
Hey all... I have a handy board kit that I order from gleason research about 3 months ago. I turned it on once to see what I could do, downloaded the sample code, and it has been packed away ever since. I just don't have the time to play around with (...) (27 years ago, 24-Jun-97, to lugnet.robotics.handyboard)
 
  Help : Using Sonar and Encoders on Digital port 0
 
Sorry, for sending this out again, but I am not sure whether everyone got it, my mail server has been down, and I hadn't received any replies so I thought that it may not have not gotten out Cheers Michael To: handyboard @ media.mit.edu @ internet (...) (27 years ago, 24-Jun-97, to lugnet.robotics.handyboard)
 
  RE: dc generator
 
thanks... i suspected that, but i wasn't sure.... i'll have to find something with a bigger shaft though (sounds kinky!!) ---...--- From: Joe Martin Sent: Wednesday, June 25, 1997 8:28 PM To: killkie Subject: Re: dc generator Maybe try a lego motor (...) (27 years ago, 23-Jun-97, to lugnet.robotics.handyboard)
 
  dc generator
 
looking for a small generator that pumps 6-15 volts dc at a shaft speed of 1,000 to 5,000 rpm or 10,000 to 20,000rpm.... 12v is the key... but it is to be driven by a .12ci gas motor with a throtle, so maintaining the voltage will have to be left up (...) (27 years ago, 22-Jun-97, to lugnet.robotics.handyboard)
 
  Help : Using Sonar and Encoders on Digital port 0
 
Hi All, I am a student in Sydney, Australia, and I have successfully got the Polaroid sonar working as well as two quad encoders, however, they both use the digital 0 (rightmose digital pin), has anyone got some code which implements both of these (...) (27 years ago, 22-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Resistor size
 
(...) is >there? I don't think so, but I am not an EE major. No, there isn't any harm in using a 1/4 watt in place of a 1/8 watt resistor. The 1/4 watt can handle more power than the 1/8 watt. It's just that the 1/4 is a little larger physically (...) (27 years ago, 20-Jun-97, to lugnet.robotics.handyboard)
 
  Substitute processor question
 
I was looking at the page (URL) instructions on starting the handy board as I just completed the interface. From the parts list, either the MC68HC11A1FN or the MC68HC11E1FN are acceptable, but on this page, the picture of the handy board has an A0FN (...) (27 years ago, 20-Jun-97, to lugnet.robotics.handyboard)
 
  Magnetic Card Readers again...
 
I have found the code from dave negro, but i'm can make work this with my handy... Nothing more has tried this with interactive C(code in C). ===...=== Obtenga su e-mail GRATUITO para toda la vida en: (URL) (27 years ago, 20-Jun-97, to lugnet.robotics.handyboard)
 
  Photocell problems
 
I was wondering if someone could check out this code. I got it to work w/ just the touch sensors and motors. But I added photocells to it and added the code in for that and now the LCD panel reads....231>Press START after I press start it says... (...) (27 years ago, 19-Jun-97, to lugnet.robotics.handyboard)
 
  Re: I'm happy !!!
 
---...--- (...) use (...) My (...) the (...) (27 years ago, 19-Jun-97, to lugnet.robotics.handyboard)
 
  Trouble with MAX232
 
Just starting with the HB and already problems Im having problems getting the 9 to 10 volts out of pins 3-7 of J9 (the RS232 connector) when pins 6 and 10 of the MAX232 are shorted in the last paragraph of step 3.2.2. Everything else up to this poit (...) (27 years ago, 18-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Sonar Connection - Confirmation Please
 
MAR> I never used a resistor. I don't remeber what the reason for MAR> using one is. Perhaps someone can repeat it. I've never used a MAR> capacitor either. MAR> I've achieve 7" but not lower. Has anyone seen otherwise? I have seen the thing not (...) (27 years ago, 18-Jun-97, to lugnet.robotics.handyboard)
 
  Re: Sonar Connection - Confirmation Please
 
Remover the motor chip closest to you. The pins are correct. I never used a resistor. I don't remeber what the reason for using one is. Perhaps someone can repeat it. I've never used a capacitor either. I've achieve 7" but not lower. Has anyone seen (...) (27 years ago, 18-Jun-97, to lugnet.robotics.handyboard)
 
  Sonar Connection - Confirmation Please
 
Hi All, I have just purchased the Polaroid Sonar board, and I have some questions before I blow up my Handyboard, I have read the instructions on the Web page put I would just like to confirm some points. Can you please verify with me a few (...) (27 years ago, 18-Jun-97, to lugnet.robotics.handyboard)
 
  servo modification
 
Hi, After going through various files about servos and how to modify them into dc motor with gear head, there seem to be in general three ways to modify them. One of them was to take out the pot and replace it with two 2.7k resistor in series; (...) (27 years ago, 18-Jun-97, to lugnet.robotics.handyboard)


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