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LTSpice libraries

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b.james

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Can anyone quickly tell me how to add a Variable Resistor , An LDR and a relay to the standard components which amazingly are not already there?
 
This other thread shows how to model an LDR. Varying resistance is intrinsic in LTSpice, you really dont need an "LDR component". You do need to know (from a data sheet, or from the maker) a Resistance vs illumination curve, either as an equation, or as a graph...
 
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