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LDR's and Thermistors
These are semi-conductors that change their resistance.
Anchor 1
1. The Light Dependent Resistor
LDRs: what are they made from and how do they work?
Anchor 2
2. The NTC Thermistor
This semiconductor changes its resistance with temperature (negative temperature coefficient) which makes it an ideal component in circuits that monitor the temperature of their surroundings.
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