Hi All, My group just came out with a 4-20mA shield for the Arduino. You can find the web-page here: http://www.erdosmiller.com/products/arduino-4-20ma-shield 4 4-20mA shield inputs. (2-wire,3-wire,4-wire compatible) Buffered ADC inputs. High resolution external ADC with internal reference. Also …

Arduino 4-20mA Shield

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