Re: technology


Hi Dan,
  I have been pondering the same problem myself for a while. Please let
me know what you find out.
  The only ideas that I have come up with are
     1. locate an electronics whiz and make up a simple logic circuit
that is tied in with an electronic thermometer and run it through some
signal amplifiers to turn on and off the electronic valves at the
poroper temperatures. The problem with this is that it is expensive and
comlicated. 
     2. For my 7th grade science project I made a fire detecter. It
consisted of a bell, a 6 volt lantern battery and a metal thermometer
with a speedometer type needle. the way it worked was to drill a hole in
the back of the thermometer at whatever temperature you wanted the alarm
to go off at. then stuck a bare wire through at that point. that wire
was then hooked up to the bell, the bell was hooked up to the battery
and the battery was grounded to the base of the thermometer. When the
needle reached the proper temperature the circuit was completed and the
bell sounded. If no better ideas come up this is what I am going to try
for my misters. I am going to set my automatic timers to come on in the
morning and off in the evening but run the sprinkler wire through the
thermometer so that they will only activate when the temperature is high
enough. 

Wish me luck.

Mark


Dan Shapiro wrote:
> 
> Here is a watering technology question:
> 
> I'd like to set up a misting system for next year that automatically kicks
> in in response to temperature in the patch.  Right now I am limited to your
> regular 4 cycle a day timers.  Does anyone know what products are available
> for this job?
> 
>         Dan Shapiro



Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index