ReePrime
4-20mA Industrial Sensor + Arduino

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4-20mA Industrial Sensor + Arduino

G
Gogazi

1 Views • Oct 15, 2017

Description

How to build a simple 4-20mA transducer circuit on Arduino. Its easy: add a 250 ohm resistor. If you want more protection for the Arduino, youll need to add zener diodes and a 10k resistor to the Arduino analog pin.