How can I get a reliable 5v output from nodemcu v1?

[TomGeorge]

Hi, @lerera111
Welcome to the forum.

How to get the best out of this forum

See also FAQ - Arduino Forum for general rules on forum behaviour and etiquette. Hello, Welcome to the Arduino Forum. This guide explains how to get the best out of this forum. Please read and follow the instructions below. Being new here you might think this is having rules for the sake of rules, but that is not the case. If you don’t follow the guidelines all that happens is there is a long exchange of posts while we try to get you to tell us what we need in order to help you, which is fru…

You should not rely on 5V from your controller, it uses a linear regulator on the board that is not very efficient or rated for much current.

What do you want to power with the 5V?
An external 5V would be preferable and saver to your controller.

Have you read the specs on the nodemcu V1?

Tom..