Re: watering system, second attempt.

From: andy (news4_at_earthsong.free-online.co.uk)
Date: 08/08/04 

Date: Sun, 08 Aug 2004 05:45:42 +0100

On Sun, 08 Aug 2004 02:14:05 +0000, Rich Grise wrote:

> andy wrote:
>
>> On Sat, 07 Aug 2004 04:45:33 +0000, Rich Grise wrote:
>>
>>> andy wrote:
>>>
>>>> On Thu, 05 Aug 2004 08:37:00 +0100, Terry Pinnell wrote:
>>>>
>>>>> andy <news4@earthsong.free-online.co.uk> wrote:
>>>>>
>>>>>
>>>>>>that's just the way the program i have writes out an image.
>>>>>>I've run it through a paint program to make it b/w and smaller:
>>>>>>
>>>>>>
>>>>>>http://www.niftybits.ukfsn.org/electronics/daily-water-with-chip.png
>>>>>
>>>>> Can't see any change! Still that awful colour scheme, and still too
>>>>> large to view comfortably.
>>>>
>>>> sorry, i re-did it and then forgot to change the link. it should be:
>>>>
>>>> http://www.niftybits.ukfsn.org/electronics/daily-water-with-chip-bw.png
>>>> http://www.niftybits.ukfsn.org/electronics/daily-water-with-chip-bw.png
>>>>
>>> All this is to operate your daily tank-dumper?
>>>
>>> I'd use a $3.95 coffee timer. ;-)
>>>
>>> Cheers!
>>> Rich
>>
>> what's one of them? how? can you run it off a small solar panel?
>>
> Oopps, sorry, no. They plug into the wall. It's just a 24-hour clock
> motor that turns a wheel with selectable on/off detents.
>
> Glad to hear that you've got the thing going so well.
>
> But it's still a lot of circuitry.
>
> If it's solar powered, why do you need a timer? Aren't we all kinda
> standing on one? ;-)
>

that's the point - it uses a photocell to detect morning/evening so as to
avoid problems with keeping a clock synchronised. 

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