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Topic: positif negetif (Read 579 times) previous topic - next topic


How to connect to analog input from positive wire and negetive wire? Thanks


Can you tell us what it is for ?

Do you have a sensor with positive and negative output ?
Do you want an OpAmp with positive and negative input ?


can u explain your question clearly?


Yes my sensor have a positive and negative output, also as my sensor are 4-20mliliamp I have to install a resistor as arduino only detect voltage, how do I connect resistor? positive wire to resistor and then to analog input? thanks

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