Can you power a 3.3 led with an arduino 5v output? - Electrical Engineering Stack Exchange

I have a led that can handle 10 milliamps at 3.3v. Can I use a voltage divider and a plus resistor to power it from an arduino nano 5v digital pin? Maybe something like this. simulate this circuit &

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Is there any way to have an Arduino Uno pin output 3.3V instead of 5V when it is high (looking for a non PWM solution)? - Quora

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SOLVED] Hardware Serial receiving 0 bytes, but RX LED blinking - Networking, Protocols, and Devices - Arduino Forum