Using The ESP8266 Wifi Module Mini

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Discussion Overview

The discussion revolves around the power supply options for the ESP8266 Wifi Module Mini, specifically whether it can be powered directly from a computer via USB without risking damage. Participants explore the implications of the onboard voltage regulator and the potential for using both USB and external power sources simultaneously.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires if the module can be powered directly from a computer without causing overload issues, referencing the manual's statement about a 5V-3.3V converter onboard.
  • Another participant requests a link to the specific board being used to provide more accurate assistance.
  • A participant provides links to the board and its user manual, confirming the board's specifications.
  • One participant asserts that the module can be powered from either an external 5V source or USB, but notes that the onboard regulator will dictate acceptable voltage ranges.
  • There is uncertainty about whether both external power and USB can be used simultaneously, with a request for a photo of the board to clarify connection options.

Areas of Agreement / Disagreement

Participants express differing views on the power supply options and the implications of using both USB and external power, indicating that the discussion remains unresolved regarding the specifics of acceptable power configurations.

Contextual Notes

There are limitations regarding the visibility of the board's connections, as participants have not provided a complete view of the module, which may affect the clarity of the discussion.

Somali_Physicist
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Hey guys, quick question on this module.The manual states
" 5V-3.3 converter onboard for operation from USB"

Does this mean that i can power the board straight from my computer without error from "overloading" the board.i ask this because a lot of other modules such as these don't work like this.

cheers
 
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Do you have a link to the exact board you are using?

BoB
 
You can power it from either an external 5V source or the USB connection. The onboard regulator and circuit will determine the exact details of the range of voltages that are acceptable.

You may or may not be permitted to run both the external 5V power and the USB at the same time. Can you post a high resolution photo of the side of the board opposite the wifi module? We may be able to give you an idea of more of the acceptable connection options.

BoB
 
rbelli1 said:
You can power it from either an external 5V source or the USB connection. The onboard regulator and circuit will determine the exact details of the range of voltages that are acceptable.

You may or may not be permitted to run both the external 5V power and the USB at the same time. Can you post a high resolution photo of the side of the board opposite the wifi module? We may be able to give you an idea of more of the acceptable connection options.

BoB
not right now but is exactly as advertised there.
 
Somali_Physicist said:
not right now but is exactly as advertised there.

The website only has the module side. If we could see the other side it might help to get better answers.

BoB
 

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