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Given a $15 motion detector from Home Depot ,
can we disable its sleep_in_daytime feature ,
or toggle switch sleep_in_daytime In & Out ?
Ah yes, the simple low-tech solution. :}A large blob of black stuff on the light sensor ??
The sensor is likely either a phototransistor or an LDR. In either caseOn Sun, 28 Sep 2003 13:45:43 +0800, "Rheilly Phoull"
Rheilly@bigpond.com.au> wrote:
A large blob of black stuff on the light sensor ??
Ah yes, the simple low-tech solution. :}
I supposed if you wanted a switch, you could measure the resistance of
the light sensor when darkened. The wire a toggle switch to put a
resistor either in parallel or series to alter the resistence that the
circuit sees.
-Chris
In article <ff1dnv09i4b4vplkd9dvisr9tq116re986@4ax.com>, chris@nospam.com wrote:
On Sun, 28 Sep 2003 13:45:43 +0800, "Rheilly Phoull"
Rheilly@bigpond.com.au> wrote:
A large blob of black stuff on the light sensor ??
Ah yes, the simple low-tech solution. :}
I supposed if you wanted a switch, you could measure the resistance of
the light sensor when darkened. The wire a toggle switch to put a
resistor either in parallel or series to alter the resistence that the
circuit sees.
-Chris
The sensor is likely either a phototransistor or an LDR. In either case
it will go to a very high resistance when pitch dark, so a switch in
series should work. If you do this, take care that the switch is
adequately insulated.
Mike.