This one’s claim to fame is that it has dual regulators (the others have a single regulator for both outputs) which may justify its higher cost and larger size in some applications. For a more detailed explanation watch video Tutorial. The mail man delivered yet another boost dual output power supply module today (and there is yet another set on order ). You might be wondering what are these SV1 and SV2? these are female headers that can be used for interfacing with other electronic circuits. to power, up the Nodemcu module, we simply connect the output of the voltage regulator with the Vin pin of the Nodemcu module and connect the ground with the ground pin of the Nodemcu module. A 330-ohm resistor is connected in series with the 2.5v led. Two 470uf capacitors are connected at the input and output of the voltage regulator. The power supply as you can see is based on the LM7805 voltage regulator. J1 is the female dc socket where you can connect a 12v adaptor or a 12v battery or a 9v battery. The circuit Diagram is really simple as you can see. I would appreciate your support in this way! Nodemcu Power Supply Circuit Diagram: I may make a commission if you buy the components through these links. For a Detailed explanation watch video tutorial.
As Arduino’s cannot provide enough current due to which the Nodemcu module keeps resetting. In this tutorial, you will also learn how to add female headers so that it can be easily interfaced with Arduino Uno or other electronic circuits.Ī very common mistake that people often make is that they power the Nodemcu esp8266 wifi module using the Arduino’s 5v. The input source voltage should be greater than 5 volts as we are using a 7805 voltage regulator and less than 35 volts. In this tutorial, you will learn how to make your own 5V regulated power supply for Nodemcu esp8266 wifi module so that it can be easily powered up using a 12v adaptor or a solar panel or aaa or 12v battery, or any other dc voltage source.
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