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Can the communication speed of I2C be set to 400K? #484

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Can the communication speed of I2C be set to 400K?#484

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@RenLihong
RenLihong
opened on Jun 18, 2026

Can the communication speed of I2C be set to 400K? Board: epd_board_v7, CPU: ESP32S3.

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  1. martinberlin commented on Jun 18, 2026

    @martinberlin
    martinberlin
    on Jun 18, 2026
    Collaborator

    Just give it a try. Most important peripheral:
    Texas Instruments TPS65185 is 400 kHz (Fast Mode). Converting this to a Discussion since it is not an issue with the library

  2. Repository owner locked and limited conversation to collaborators on Jun 18, 2026
  3. martinberlin
    converted this issue into a discussion #485 on Jun 18, 2026
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