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| # | Post Title | Result Info | Date | User | Forum |
| What is the need of connecting a resistor with LDR for Arduino interfacing? | 2 Relevance | 2 years ago | Deboojit | Hardware/Schematic | |
| Hi, Sorry for such a silly question but I am very new to Arduino. In the circuit, there is a resistor connected to the LDR. I don't quite understand its use. For LED I get it, to limit the current. But why with the LDR. Can't we directly connect it to the 5V and then to the analog pin?? Thanks very much. If found this circuit here. Attachment : Arduino-LDR-circuit.png | |||||
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