Hi Leon and group
Here a link to a small component count PIC count-down timer.
(100 minutes) and only need that relay to add.
Page is in spanish but explanations in english are at the bottom
links
http://www.pablin.com.ar/electron/circuito/mc/timer/Just my 2 cents.
Will look forward to your desing.
Jose
----- Original Message -----
From: "Leon" <leon355@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, June 09, 2008 3:19 PM
Subject: Re: [Homebrew_PCBs] Re: HELP: UV Light box
> ----- Original Message -----
> From: "Howard" <hj.payne@...>
> To: <Homebrew_PCBs@yahoogroups.com>
> Sent: Monday, June 09, 2008 1:19 PM
> Subject: [Homebrew_PCBs] Re: HELP: UV Light box
>
>
>> --- In Homebrew_PCBs@yahoogroups.com, "Leon Heller" <leon355@...>
>> wrote:
>>>
>>> I'm in the process of making the display PCB for my prototype. It
>> uses
>>> two 7-segment LED displays and will plug into the little PCB supplied
>>> with the PICkit 2, and use the supplied 16F690. When the software is
>>> working, I'll design a PCB for the whole system, with a reed relay
>> etc.
>>>
>>> Leon
>>>
>> Hi Leon
>> Would this design be able to use single side board, as iam not up to
>> speed on making double side one's ??
>>
>> As your uesing two 7-segment LED displays, is the time displyed as
>> mins or secs, and what is the max time ?. Instead of useing a reed
>> relay, can it use a dpdt one ?.
>
> Yes, it will be single-sided. Time will be in unit minutes and tens, up to
> 99 minutes. I need 11 minutes.
>
> I haven't decided on the relay, but I'll accomodate a DPDT one.
>
> I've assembled most of the display PCB for the PICkit 2, but I've used a
> couple of transistors which I didn't have in stock and which have unusual
> pinouts, I should have them tomorrow. I can then get on with the software.
>
> Leon
>
>
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