Sup Guys Im new to the the arduino world and was wondering if you can help me out. Im building a 4 - 20mA Current source using the arduino uno board. The signal to my Current Source conversion circuit should be a 1 - 5v PWM signal from the microcontroller but I dont know how to get this input sign…

4 to 20mA Current Source using PWM

system April 17, 2014, 1:25pm 4

1-5 volts is just as easy. If your circuit converts 5V to 20mA then 1V equals 4mA.

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