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Type: Posts; User: Vahen1981

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  1. That cables (yellow and Blue) are the reference...

    That cables (yellow and Blue) are the reference power for the level shifter (5v and ground)... Do you think could be the library? Maybe someone knows another library that I can use for I2C in teensy...
  2. Hello Pete! Here are some photos First the...

    Hello Pete!
    Here are some photos

    First the connections in teensy, red wire in pin 16 (SCL1) and blue wire in pin 17 (SDA1)
    25021

    Then, connections in level shifter. Red in LV1, Blue in LV2,...
  3. Thanks for running the code, I think everything...

    Thanks for running the code, I think everything is fine with the LCD because if I connect in port 0 (pin 19, 18) the scanner detectets inmediately, but in port 1 (pin 16, 17) nothing happened.
  4. Thank you again! I tried that code, but is still...

    Thank you again! I tried that code, but is still showing "No I2C devices found" :(
    Maybe I should use the i2c_t3 library? But the documentation tells that is not compatible with teensy 4.0
  5. Thanks for your answer, actually I checked the...

    Thanks for your answer, actually I checked the connection many times and that is ok... I think is a problem of the port 1, because there is no problem if I use the port 0
  6. Teensy 4.0 canīt see a I2C device in port 1

    Hi everyone!
    I'm trying to solve this, but I canīt find any information who helps me untill now, so I decide to ask the community. This is the problem:

    I'm trying to use an lcd 1602 through I2C...
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