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4-20 mA current output for Arduino Uno

4-20 mA current output for Arduino Uno

Giovanni Carrera writes, “The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller ATmega328 and numerous other chips, such as the PIC. One of the more interesting applications of this circuit would be to replace or to realize a smart sensor with Arduino.”

More details at ArduPicLab blog.

 

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