Peter Gamma (Physiologist & Director) Meditation Research Institute Switzerland (MRIS)

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How to repair the OpenBCI WIFI shield

Posted bypg@petergamma.org 15 Comments on How to repair the OpenBCI WIFI shield

Last Updated on January 8, 2024 by pg@petergamma.org

Shirley wrote in the www.OpenBCI.com forum on November 2020 how to do this:

@alwayswearshats

  • Hope you had a nice weekend! I’m reviving this thread to update you on the wifi shield.
  • After reviewing the above comments, it appears the way to go is:

to remove C4 (100uF ceramic)

and

replace it with a >300uF electrolytic capacitor

noting to not use an ultra low ESR capacitor

as you clarified.

  • I’m getting ready to have OpenBCI’s PCB manufacturer update the wifi shield assembly files accordingly.
  • If there’s anything you’d like to mention before I proceed, please let me know!!
  • You can reach me directly at support@openbci.com

-Shirley

https://openbci.com/forum/index.php?p=/discussion/2108/measured-shield-regulated-3-3v-supply-has-6v-dip-at-1-second-intervals-with-resonant-ringing

15 replies on “How to repair the OpenBCI WIFI shield”

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