Subject:
|
Re: Handyboard Expansion Sonar Issues
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Fri, 5 Feb 1999 16:11:39 GMT
|
Original-From:
|
Stephen Michael <sa_michael@hotmail.!spamcake!com>
|
Viewed:
|
1177 times
|
| |
|
|
Thanks. That seems to have done it. I don't
know how I missed that line. Way cool device.
Thanks again for your help.
Stephen Michael
sa_michael@hotmail.com
> From fredm@ml.media.mit.edu Thu Feb 04 14:53:35 1999
> Received: from [18.85.13.107] by hotmail.com (1.1) with SMTP id • MHotMailB8836FEE69C51D101709612550D6B0DFE0; Thu Feb 04 14:53:35 1999
> Received: from localhost (fredm@localhost [127.0.0.1])
> by ml.media.mit.edu (8.8.7/8.8.7) with SMTP id RAA04542;
> Thu, 4 Feb 1999 17:54:50 -0500 (EST)
> Message-Id: <199902042254.RAA04542@ml.media.mit.edu>
> X-Authentication-Warning: ml.media.mit.edu: fredm@localhost [127.0.0.1] • didn't use HELO protocol
> To: "Stephen Michael" <sa_michael@hotmail.com>
> cc: handyboard@media.mit.edu
> Subject: Re: Handyboard Expansion Sonar Issues
> In-reply-to: Your message of "Thu, 04 Feb 1999 11:03:48 PST."
> <19990204190348.19165.qmail@hotmail.com>
> Date: Thu, 04 Feb 1999 17:54:49 -0500
> From: "Fred G. Martin" <fredm@media.mit.edu>
> X-Mts: smtp
>
> did you put the capacitor c7 (0.1uf) in the sonar board, as indicated
> in the directions? if not, plesae do so and let me know if this
> solves your problem.
>
> fred
>
> In your message you said:
> > To anyone who can help:
> >
> > I too have contructed the HB expansion board. All i/o
> > ports appear to work. The servo controllers appear to
> > work well also. However, like Ranjit, I'm having Polaroid
> > Sonar problems. I got this as a kit from Wirtz Electronics.
> > When activated, it appears to function (it repeatedly clicks
> > when "sonar_display()" is executed), but returns apparently
> > random readings.
> >
> > Does anyone have any suggestions as to what might be wrong?
> >
> > Stephen Michael
> > sa_michael@hotmail.com
> >
> >
> > > I assembled the expansion board and tested all I/O ports.
> > > Everything checks out fine. I have the 6500 sonar module with
> > > the flex cable. After loading 'sonar.c', I tried the
> > > 'sonar_display()' function. The transducer came to life with
> > > its 'clicking', but the LCD displayed a very rapidly fluctuating
> > > 4 digit random number between 1100-1700. Aiming the transducer
> > > in various positions has no effect on the numbers.
> > >
> > > Any suggestions will be appreciated,
> > > Ranjit
> > >
> > > --
> > > Ranjit Diol - COMPSys
> > > Dowagiac,Michigan
> >
> >
> >
|
|
1 Message in This Thread:
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
