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Std EditionWS2813 hack connector

Profile:WS2813 hack

License: Public Domain

Published Time:2021-11-20 16:42:58
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Description

WS2813 connector with power MOSFET and level shifter hack

 

  • No level shifter IC needed to run Neopixels/WS2812/WS2813 from 3.3V microcontroller
  • MOSFET to turn LED strip power on/off from a microcontroller GPIO pin

 

A SMD version of the WS2813 gets sacrificed to run at ~4.3V (powered through the diode), which makes it accept 3.3V data signals. The data signal it outputs can then be used to control WS2812/WS2813 LEDs running at 5V. 

 

Pins:

  • DIN: Connect directly to microcontroller GPIO (data pin)
  • FET: Connect directly to microcontroller GPIO (turn MOSFET on/off)
  • DO: Connect to WS2812/WS2813 DIN pin
  • LGND: Connect to LED strip GND
  • 5V: Connect to LED strip 5V

 

 

 

See https://hackaday.com/2017/01/20/cheating-at-5v-ws2812-control-to-use-a-3-3v-data-line/

 

 

 

Documents

PCB_ws2813 connector

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