Connecting the 9474 to a Common Anode RGB LED

Updated Jul 27, 2018

Reported In

Hardware

  • NI-9474

Issue Details

How Do I Wire the NI-9474 to my Common Anode RGB LED?

Solution

You can wire up three digital ports as the PWM lines, and provide a supply voltage to the LED as shown below. Note that the supply voltage to the LED depends on its specifications. You may be able to supply a voltage through it by setting one of the 9474's digital lines to high, or using the voltage from the Power Supply.

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