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LDR
LDR is, of course, another TLA. |
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LDR LDR is, of course, another TLA.
Light-dependent
resistor -- a.k.a.,
photoresistor or Cadmium-Sulfide (CdS) cell. As their name
suggests, these are resistors whose resistance is a function
of the amount of light falling on them. Their resistance is
very high when no light is present (up to millions of Ohms),
and significantly lower when they are illuminated (hundreds
of Ohms).
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