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Topic: How to read +/- 4 volts using Arduino (Read 831 times) previous topic - next topic

zaciatok

Hello:
I want to ask you if it is possible to read a voltage signal +/- 4 volts using Arduino. It is a sinus signal, which is going from +4volts to -4volts and vice versa.
Could you explain me how to do that step by step.
Thank you very much for your help.

pito

For example:

PaulS

Quote
I want to ask you if it is possible to read a voltage signal +/- 4 volts using Arduino.

No, the Arduino can not read negative voltages.


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