'Lesson 13 ESPHome' not working with CrowPanel 7.0"

lbouelboue
edited July 16 in Elecrow HMI Display

Lesson 13 ESPHome not working with CrowPanel 7.0"

The example provided does not work: 7HMI.yaml

The screen flickers and nothing appears on the screen

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  • lbouelboue
    edited July 20

    @Elecrow
    Could you tell me the correct settings to fix the problem with your Lesson 13 ESPHome example file?

  • ElecrowElecrow
    edited July 22

    @lboue said:
    @Elecrow
    Could you tell me the correct settings to fix the problem with your Lesson 13 ESPHome example file?

    We're sorry the ESP32 clock is too slow, the 7-inch HMI driver IC cannot recognize the RGB signal. So the 7-inch display doesn't support ESPHOME. To solve this problem, we change the LCD panel. But the new version of the CrowPanel 7-inch HMI has not yet entered production.

  • lbouelboue

    @Elecrow
    How can it work properly with an Arduino example? The hardware is the same, though.

  • ElecrowElecrow

    If interact with Home Assistant via Arduino, we need to use the MQTT protocol. The relevant documentation will be released after verified.

  • lbouelboue
    edited July 23

    @Elecrow said:

    @lboue said:
    @Elecrow
    Could you tell me the correct settings to fix the problem with your Lesson 13 ESPHome example file?

    We're sorry the ESP32 clock is too slow, the 7-inch HMI driver IC cannot recognize the RGB signal. So the 7-inch display doesn't support ESPHOME. To solve this problem, we change the LCD panel. But the new version of the CrowPanel 7-inch HMI has not yet entered production.

    I meant, how is it possible that the ESP32 clock is too slow for ESPHome and fast enough with an Arduino example. It's the same hardware.
    It works with openHASP .
    Also, integrated ESP32-S3 module, frequency up to 240MHz

  • lbouelboue

    Hello. Could I have an answer please?

  • ElecrowElecrow

    The screen signal generated by esphome is not as stable as arduino. The screen will be black after a while. esp32 cannot generate the speed required by the driver IC. If we change to a new screen with other screen driver IC, it can display normally.

  • lbouelboue
    edited July 25

    @Elecrow said:

    The screen signal generated by esphome is not as stable as arduino. The screen will be black after a while. esp32 cannot generate the speed required by the driver IC. If we change to a new screen with other screen driver IC, it can display normally.

    What do you mean by esp32 cannot generate the speed required by the driver IC.? Are you talking about a ESP-IDF framework?
    If it's a software problem, it can be fixed by ESPHome team.

    esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: esp-idf

    Did you check platformio_options for ESPHome
    PlatformIO supports a number of options in its platformio.ini file. With the platformio_options parameter you can tell ESPHome what options to pass into the env section of the PlatformIO file (note you can also do this by editing the platformio.ini file manually).

  • AndyDAndyD

    Hi, has there been any further update on this matter (ESPHome and 7" display)?? I have just ordered one after having success with a 5" version.... Hope I'm not going to be disappointed???
    With reference to the "new screen"... is that something they are now shipping???
    Thanks for any guidance.

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