I am trying to get one of the two digital potentiometers in the MCP4231 IC to operate a green LED. The Arduino code should cycle the green LED from off to full on, then cycle the green LED to off. This program should loop the code making the Green LED go off and on. I did not hook up any wires to …

MCP4231, using only one of the two digital potentiometers

KeithHilton November 5, 2021, 2:20am 5

Here is my how I hooked everything up. I left pins 5,6,and 7 on the MCP4231 not connected to anything. Pins 10,9, and 8 are connected to my green LED.

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MCP4231, using only one of the two digital potentiometers

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