PCB Hole Grounding Inquiry

For WS2812B LED circuits, the typical approach is to use a large capacitor (around 1000 µF) for bulk decoupling. However, if you require a very tiny footprint, you can use a small 0.1 µF MLCC for high-frequency noise filtering. Keep in mind that while a 0.1 µF capacitor is very compact, it won’t provide the energy buffering that a larger capacitor offers during high surge demands.
Would you like to update your schematic with a tiny 0.1 µF MLCC capacitor connected across the supply pins of your WS2812B LEDs for high-frequency decoupling?
Yes, please update the schematic with the 0.1 µF MLCC capacitor across the WS2812B supply pins for high-frequency decoupling.
Below is a schematic update suggestion:
  • 0.1 µF MLCC Capacitor for WS2812B Decoupling:
    • Add a 0.1 µF MLCC capacitor (e.g., C1) and connect it directly across the +5V and GND pins of the WS2812B LED strip.
    • This capacitor will provide high-frequency decoupling for the WS2812B module with a very small footprint.
You can use the "Apply changes" button to update your schematic with these modifications.
Confirm capacitor update
Apply decoupling capacitor
Update schematic with capacitor
Add decoupling cap change
C1
Capacitance
0.1uF

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