[sdiy] Odd problem with LCD (Sorted)

[Tom Wiltshire]

I got hold of another similar chip and tried that, and the problem  
miraculously went away, so it looks like the 16F74 I'd been playing  
with does have a bad pin after all.

Thanks for all the help, everyone.

Tom.



On 6 Apr 2009, at 04:10, Paul Anderson wrote:

> On Sun, Apr 5, 2009 at 3:24 PM, Tom Wiltshire  
> <tom at electricdruid.net> wrote:
>>
>> So why does this one line seem to float? Where's the problem  
>> likely to be?
>> I've been round and round it, but I'm pretty much out of ideas now.
>>
>>
> I'm inclined to suspect a bad chip as a last resort.  It's easy to
> have an issue in software, and think the component is bad.  Double
> check your configuration of RB0.  Compare it to the datasheet.  And go
> through your code, make sure it's not a bug in the way you've handled
> setting the output.
>
>
> -- 
> Paul Anderson
> VE3HOP
> wackyvorlon at gmail.com
> http://www.andersonloco.com
> QRP ARCI #13228, GQRP #12447
>