LDRs and thermistors
- Created by: rxbyw
- Created on: 02-04-19 13:02
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an LDR is a light dependent resistor which depends on the intensity of light
in bright light the resistance falls
in darkness the resistance is highest
used in automatic night lights and burglar alarms
burglar alarms:
a light beam is shone at an LDR and when this light is blocked it breaks the light beam and the…
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