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    Explore Pybytes | Official Documentation | Report a Firmware Bug/Issue | GitHub

    LoPy4 can not connect to Pybytes. Exception: Board not detected: I2C bus error

    Scheduled Pinned Locked Moved Pybytes IoT platform
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    • I Offline
      iarakis
      last edited by

      Hi, Its seams that the board connects, but I get an error Exception: Board not detected: I2C bus error, so I can not connect to the board through Pybytes.

      ets Jun 8 2016 00:22:57

      rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
      configsip: 0, SPIWP:0xee
      clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
      mode:DIO, clock div:1
      load:0x3fff8028,len:8
      load:0x3fff8030,len:1688
      load:0x4009fa00,len:0
      load:0x4009fa00,len:14592
      entry 0x400a059c
      WMAC: 30AEA4EC88DC
      Firmware: 1.18.2.r6
      Pybytes: 0.9.12
      Pybytes configuration read from /flash/pybytes_config.json
      Initialized watchdog for WiFi and LTE connection with timeout 660000 ms
      WiFi connection established
      WARNING: consider enabling TLS by using pybytes.enable_ssl()
      Connected to MQTT mqtt.pybytes.pycom.io
      Pybytes connected successfully (using the built-in pybytes library)
      Now starting user code in main.py
      Traceback (most recent call last):
      File "main.py", line 37, in <module>
      File "/flash/lib/pysense.py", line 18, in init
      File "/flash/lib/pycoproc.py", line 103, in init
      File "/flash/lib/pycoproc.py", line 103, in init
      Exception: Board not detected: I2C bus error
      Pycom MicroPython 1.18.2.r6 [v1.8.6-849-a210e85] on 2019-05-13; LoPy4 with ESP32
      Type "help()" for more information.

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      • I Offline
        iarakis
        last edited by

        @iarakis said in LoPy4 can not connect to Pybytes. Exception: Board not detected: I2C bus error:

        Exception: Board not detected: I2C bus error

        The previous one is if I connect my LoPy4 to Makr board. If I connect to the Pysense board, I get the following:

        ets Jun 8 2016 00:22:57

        rst:0x1 (POWERON_RESET),boot:0x16 (SPI_FAST_FLASH_BOOT)
        configsip: 0, SPIWP:0xee
        clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
        mode:DIO, clock div:1
        load:0x3fff8028,len:8
        load:0x3fff8030,len:1688
        load:0x4009fa00,len:0
        load:0x4009fa00,len:14592
        entry 0x400a059c
        WMAC: 30AEA4EC88DC
        Firmware: 1.18.2.r6
        Pybytes: 0.9.12
        Pybytes configuration read from /flash/pybytes_config.json
        Initialized watchdog for WiFi and LTE connection with timeout 660000 ms
        WiFi connection established
        WARNING: consider enabling TLS by using pybytes.enable_ssl()
        Connected to MQTT mqtt.pybytes.pycom.io
        Pybytes connected successfully (using the built-in pybytes library)
        Now starting user code in main.py
        Connected to Wifi

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