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  1. JMuller
    Thread

    Serial connection between MPUs

    I wanted to use standard serial communication to send a message from the ESP32 to the 2040 to control the on-board LED. Several problems with UART...
    Thread by: JMuller, Mar 5, 2023, 4 replies, in forum: UDOO KEY
  2. JMuller
    Post

    I2S and I2C On Pro What addresses/Pins

    Sorry for my error in the I2S DO IO port. It is IO 25 NOT IO 21. My bad!
    Post by: JMuller, Feb 28, 2023 in forum: UDOO KEY
  3. JMuller
    Post

    ESP32 Micropython??

    Thanks for your help. I was able to download the file esp32-idf3-20210202-v1.14.bin from your link and use the esptool.py to erase : esptool.py...
    Post by: JMuller, Feb 28, 2023 in forum: UDOO KEY
  4. JMuller
    Post

    I2S and I2C On Pro What addresses/Pins

    I found the Schematic for the Udoo Key here: https://udoo.org/download/files/UDOO_KEY/Doc/UDOO_KEY_SCHEMATICS.pdf According to this there are two...
    Post by: JMuller, Feb 28, 2023 in forum: UDOO KEY
  5. JMuller
    Thread

    ESP32 Micropython??

    I tried loading ,micropython on the ESP32 for my Udoo Key and failed! I went to the micropython download site and loaded the...
    Thread by: JMuller, Feb 16, 2023, 2 replies, in forum: UDOO KEY
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