4-20mA to STM32 ADC

Posted on October 25, 2013 at 15:35

How to input 4-20mA singnal to ADC in STM32? You know, ADC voltage is [0, 3.3V]. What circuit should add on the input?

#4to20ma

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Associate III

Posted on October 31, 2013 at 21:18

You may have to adjust if for your needs...but this circuit works for both 4to20mA or 0to10V in to the ADC and out from the DAC.

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