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Topic: current transducer. (Read 500 times) previous topic - next topic

jonisonvespaa

May 04, 2012, 02:46 pm Last Edit: May 04, 2012, 03:04 pm by jonisonvespa Reason: 1
hi
im planning on using this current transducer to monitor current on a project, can i just use the output from it (2.5 to 4.5v) without any other circuitry straight into an analog input?
thank you

in the speck sheet it quotes Rl  (load resistance) should be greater than 2k should there be a 2k resistor to ground?

http://www.farnell.com/datasheets/51628.pdf

johnwasser


can i just use the output from it (2.5 to 4.5v) without any other circuitry straight into an analog input?


Yes.


In the spec sheet it quotes Rl  (load resistance) should be greater than 2k should there be a 2k resistor to ground?


No.  The input impedance of the Arduino is >2K so you should be able to connect the output directly to it.  Just hook "5V" to +5V, "0V" to Ground, and "OUT" to an analog input pin.
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jonisonvespaa


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