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  • MQTT and Json

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  • M5stack core2 :ImportError: cannot import name 'Serial' from 'serial'

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  • Writing and re-writing text?

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    @macsbug Thank you!
  • M5STACK CORE2 wifi password

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  • High speed / animation on Core 2 display

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  • M5Stack Core 2 appears to be bricked

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    I was finally able to Erase and get things back to normal.
  • Core 2 and ADC Input

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    @bschwahn I would think a digital sensor would be much more accurate and easy to use than an analog one. Once you figure out what library you need for the protocol e.g. this might help https://randomnerdtutorials.com/esp32-multiple-ds18b20-temperature-sensors/
  • Pulse sensor connection

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    ajb2k3A
    Yes you will need to make your own wiring harness but in UIFLow it should be directly compatible.
  • unable to read from DS18B20 sensors

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    @felmue This was it: works with work(around)! Thanks so much. Steve.
  • How to use GPIO34 on Core2?

    core 2 gpio34
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    Thanks!
  • Core2, BLE, serial monitoring stops after power-cycle

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    Well, that didn't take too long to work how much of a muppet I am! It turns out, there's nothing wrong. If I'm powering the Core2 off and on, the USB connection does not re-start properly. No matter what code/sketch I upload. I think is coming down to a driver/PC issue! I should really have looked at this problem using a completely different computer! Needless to say, it's not specific to this code (above), but a problem elsewhere! DOH!
  • Core2 power button broken

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    ajb2k3A
    I think there is a design issue with the buttons as I have seen a few places (not just m5stack) that have these fail, I also have one failed.
  • MicroPython

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    Hey good afternoon I am trying to use also the LVGL and its charts on the Core2. I have the version 1.9.2 installed. I have created an example, which should work. The API documentation i have linked, documents other functions as implemented. import lvgl as lv chart = lv.chart(lv.scr_act()) chart.set_size(200, 150) chart.set_type(lv.chart.TYPE.LINE) # Line Mode chart.set_point_count(20) chart.set_y_range(lv.chart.AXIS.PRIMARY_Y,0,120) chart.set_style_local_line_width(lv.chart.PART.SERIES,0,1) #Line Width of Dataserie 0 chart.set_style_local_size(lv.chart.PART.SERIES,0,1) # Point Width ser1 = chart.add_series(lv.color_hex(0x000000)) # Add data serie chart.set_next(ser1,1) # Set next points on ser1 chart.set_next(ser1,2) chart.set_next(ser1,10) chart.set_next(ser1,10) chart.set_next(ser1,10) chart.set_next(ser1,10) chart.set_next(ser1,10) chart.set_next(ser1,30) chart.set_next(ser1,70) chart.set_next(ser1,110) Late response, i know, but i hope it helps you. Best regards
  • m5list on Core2

    m5list core2 micropython
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  • Core2 Battery Question

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    @ajb2k3 thank you very much.
  • SD cart mount failed

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    Glad you got things working, out of interest, are you running with tasks/threads? I'm working on a project that is reading and writing to an SD card, and luckily I've not had this problem yet. But I may implement what you've found just to be extra safe.
  • Random restarts of the M5Stack Core 2 (code/backtrace included)

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    I don't know if you got this sorted, but we're not really supposed to user core 0, as this can cause panics. That's advice from Espressif. Also, adding in a delay @felmue said should really help in allowing the thread to free-up some cycles.
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    IAMLIUBOI
    Hi @mbunds Thanks for feedback and sorry for this,actually the UIFlow desktop version not updated for a while,we are aim for web UIFlow current, and plan release the new UIFlow(we call it UIFlow 2.0).
  • Switch back to UIFlow cloud update using only REPL

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    @felmue Thank you, I forgot about that. It’s a perfect work around to what I’m trying to do. Ideally not install anything on remote machine but you gotta do what you gotta do sometimes.
  • UIFLOW 1.9.1 NO LONGER UPLOADING FIRMWARE URGENT!!!!!!

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    ajb2k3A
    I take it from the FW 2.0 post that it could be connected to the 2.0 update