Subject:
|
Re: Sharp GP2D12 and Expansion Board
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Tue, 5 Dec 2000 21:44:04 GMT
|
Viewed:
|
1466 times
|
| |
|
|
When I connect the ground to the analog input for ports 17 to 24 I still
read the value 250, when I get the value 0 on any other analog port
including port 16.
Does this mean my 74HC4051 chip is dead???
"Robin Chahal" <rchahal@hotmail.com> wrote in message
news:G4y8MC.51D@lugnet.com...
> Get a load of this...
>
> I have 2 handyboards and 2 expansion boards. I cut the traces to the pull
> up resistors for analog port 0 on both boards. One handyboard/expansion
> board worked perfectly with the Sharp GP2D12 analog IR range finder. With
> the other one, the GP2D12 worked on analog(0) and analog(16) but on no • other
> analog ports.
>
> Experiment:
> I tried swaping the expansion boards to see what would happen. On both
> handyboard/expansion boards the GP2D12 worked on analog(0) and analog(16)
> but no other ports. Very odd??? I swapped the boards back and the same
> problem.
>
> I'm guessing I must have dammaged the second expansion board in some weird
> way when I swapped them the first time.
>
> Any ideas???
>
>
>
|
|
Message is in Reply To:
 | | Sharp GP2D12 and Expansion Board
|
| Get a load of this... I have 2 handyboards and 2 expansion boards. I cut the traces to the pull up resistors for analog port 0 on both boards. One handyboard/expansion board worked perfectly with the Sharp GP2D12 analog IR range finder. With the (...) (24 years ago, 1-Dec-00, to lugnet.robotics.handyboard)
|
5 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
