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 Robotics / Handy Board / *2049 (-20)
  Re: Sonar problems
 
Digital Port 0 <- ECHO ---...--- 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 and Art ---...--- (...) (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  Re: Communication problem
 
This drove me nuts, I tried DL and HBDL both gave me numerous different error messages. I finally told win95 to shutdown and restart in MSDOS mode. Then using the DL program, everything now works correctly. It is quite a rush to finally see the (...) (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  UNSUBSCRIBE
 
UNSUBSCRIBE (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  input capture interrupts?
 
I would like to use the PortA input capture interrupts. Has anyone succeeded in writting code using Interactive C that accomplishes this? If so could you post or send me some sample code? Thanks Raj (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  digital output?
 
I need four digital outputs to signal external circuitry. What's the best method? I would prefer something that does not require any additional address decoders or anything. Raj (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  Re: DS1820 sensors?
 
(...) ftp://ftp.cmf.nrl.na...lib.tar.gz Fairly-well commented source code is included (and sample C code that will do the nutty protocol to discover all 1-wire devices). It's for a different type of assembler, but you should be able to get the idea. (...) (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  DS1820 sensors?
 
Has anyone been able to interface the DS1820 temp sensor (or any other 1-wire device) to the handyboard/miniboard/whatever? I'm working on a project where it'd be nice if I could figure out how to interface to these devices. (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  Sonar problems
 
Maybe i'm beating this subject to death, but it's driving me crazy. I've read every post and readme file i can find and my sonar still does not work. 6500 hb pin 1 gnd pin 4 pin 9 motor driver socket ( ic removed) pin 7 analog port 0 (marked 7 on (...) (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  DC motor and Shaft encoder to recommend...
 
Hi, Can anyone recommend any good DC motor and shaft encoder suitable for handyboard. Thanks... Johnny. (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  Re: HB connectors
 
Yoni Garbourg wrote: Anyone knows a generic store name that sells those male headers that make connectioins for the HB. I need them right now, so DigiKey is not good enough. Radio Schack does not seem to have them. Sincerely, Yoni Garbourg << To (...) (27 years ago, 27-Apr-97, to lugnet.robotics.handyboard)
 
  Re: Using analog ports as digital
 
(...) The way it really works is that if the analog value is 255 then it returns 0 other wise it returns 1. So you can modify the lib_hb.c file and change the constant, or use the analog() call on the pin. --Chuck (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  IC compatibility with PowerBook 520
 
Fred, Your suggestion worked. Appletalk WAS on and inactivating it solved the problem. Thanks a lot. Sincerely, Yoni Garbourg << To succeed, Atificial Intelligence needs 1.7 Einsteins, two Maxwells, five Faradays, and .3 Manhattan Projects." >> (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Using analog ports as digital
 
The HB manual says that if you us the digital command on an analog port, the result is true if analog measurement is <127, and false for analog>127. I tried this and it does not seem to work that way. I get true for 0<analog<255, basically (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Micromouse...
 
Hi, Have anyone used the handyboard before to design a micromouse? If anyone have, please let me know....Thanks... Johnny. (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  (no subject)
 
(...) This is normal, the transistors in the motor chips lose a couple of volts. (...) Probably you are driving too much current through the motor chips, they overheat, shut down, cool off, and recycle. Get a meter with a 2A scale and put it in (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Re: error with freeware DL under Windows 95
 
The recommended downloader when running Windows 95 is HBDL.EXE, *not* DL.EXE. HBDL is available from the HB Software Resources page. (This is pretty clearly stated in the HB Tech Ref... if you don't have a copy you should get it, from the HB Tech (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Re: HB connectors
 
Try calling You-Do-It Electronics in Needham MA. -Fred In your message you said: (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Re: HB connectors
 
(...) Digikey will ship FedEx the same day so in less time than it takes for this email to hit the list and be responded to you could be soldering your connectors. Of course you will have paid $15 for them so patience has some virtue :-). Any (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  error with freeware DL under Windows 95
 
(...) Be sure to run DL in full-screen mode. (One problem with the old, freeware IC and DL is that they will lose communication sporadically under Windows 95 unless you run them in full-screen mode.) -- Randy ---...--- Randy Sargent Newton Research (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
 
  Re: HB connectors
 
There are probably local electronics stores in your area that do have them. I know of several chains in the Iowa/Illinois region that do, including Warren Electronics in Davenport, which has almost anything you could wish for (well, it had (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)


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