I2C Logic level converter schematic

I2C Logic level converter schematic

3V3 – 5V I2C Logic level converter schematic

2 responses to “I2C Logic level converter schematic”

  1. Stephane

    Hi. First, nice job and sorry for my english. One question. If i want to connect 4 RPI or Arduino to each one LCD, I needed 4 logic level converter ?
    Thanks for your help.
    Best regard

    1. Michael

      Hello Stephane,
      If you are using I2C then no, converting the I2C connection to 5v or 3.3v only needs to be done once. All devices requiring 5v or 3.3v would just be connected to the same I2C connection on whichever side of the converter provides the voltage the connected device calls for.
      Hope that helps.
      Good luck

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