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Topic: 12v variable to 5 volt scaling (Read 527 times) previous topic - next topic


I get how to take 12v and use a transistor to act as a 5 volt switch with iverted activation for on/off logic input but how do you take a 12 volt variable resistor type signal and convert it down to a 5 volt signal to use for analog in?

Have a pressure transducer and ultrasonic sensors that both work on 12 volt signal scales and would like to use with Arduino.


Are you just looking for a basic voltage divider?


That will reduce a 12V signal to 5V, given appropriate resistor choices.

The QuadRAM shield: add 512 kilobytes of external RAM to your Arduino Mega/Mega2560

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