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Arduino: 1.8.9 (Mac OS X), Board: "M5Stack-Core-ESP32, QIO, 40MHz, Default, 115200, None"

/Users/mac/Desktop/gps/gps.ino: In function 'void setup()':
gps:10:12: error: 'termInit' was not declared in this scope
termInit();
^
/Users/mac/Desktop/gps/gps.ino: In function 'void loop()':
gps:22:19: error: 'termPutchar' was not declared in this scope
termPutchar(ch);
^
Multiple libraries were found for "SD.h"
Used: /Users/mac/Library/Arduino15/packages/esp32/hardware/esp32/1.0.2/libraries/SD
Not used: /Applications/Arduino.app/Contents/Java/libraries/SD
exit status 1
'termInit' was not declared in this scope

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

can the 5v only be used with the usb type c attached?

in doc pinmap is https://docs.m5stack.com/#/en/unit/esp32cam?id=pinmap
but in code pinmap is https://github.com/m5stack/M5Stack-Camera/blob/master/wifi/wifi_ap/main/config.h

in code pinmap is right

please fix doc!!

I need urgently description and instructions on how to use CELLULAR UIflow blocks in order to get COMx.LTE module to succesfully attach and establish a data connection.
Also an example of blockly would be very appreciated (I got just an old SIM800 UIflow which looked pretty different)

That palette of module.CELLULAR library is not described anywhere (only an Arduino code was found)!!

M5 Core2 Cannot control LCD brightness with APX192.cpp or in sketch set up. Tried editing APX192.cpp with SetLcdVoltage(2900); to get 2.9 volts and tried these ideas that work on StickC and core basic:
M5.Axp.SetLcdVoltage(3000);
M5.Lcd.setBrightness(255);
M5.Axp.ScreenBreath(15);
The serial monitor boot up display always says "axp: lcd backlight voltage was set to 2.80v" regardless!
Any Ideas?
Terry from Canada

can m5faces keyboard and modules like gps or sim800 be connected at the same time?

Please add more info on the ENV Unit.
How much time it takes to measure temperature and humidity may be important when designing the sketches (especially for long battery life).

Links to USB driver(SiLabs CP2104 Driver) for MacOS is too old (v4.x.14 - Nov. 3, 2016).

There is newer version of the driver (v6.0 - Dec, 18, 2020) on SiLabs site, and it supports macOS Big Sur.

Just got my m5 stick.
I've spent 2 days trying to upload an example after installing the board and library in Arduino.
The display flashes occasionally, but esptool comes back about missing packet header.
Everything at the latest version.

Holding reset does nothing, so I basically have a low quality paperweight.

Not a code problem, but all of the image links appear to be broken.

The documentation for Core2 for AWS does not detail the PSRAM pin map and the GPIO pins used. This creates confusion for consumers. Please add the details for the PSRAM pins.

There is spelling mistake of setdate function. Link to that page is below

https://github.com/m5stack/m5-docs/blob/master/docs/en/api/rtc.md#setdata

I added some cases.Can you view it?The detail is in my pull request.

I'm following the instructions to use VS Code with M5.

I've erased and burnt the firmware using the EasyLoader_M5StickC_FactoryTest.exe

I'm getting the following error on the M5StickC.

ERROR 31
--------------------
MPU6886 error
check Hardware

Sounds like the firmware can't get a response from the MPU6886 device.

I can't see any files in VS Code either. When I click on the COM8 (my com port for M5StickC) then vscode just spins forever but nothing appears. I'm guessing that might be because of the ERROR above.

How can I resolve this ERROR 31. Do I need to send the unit back or get a new one? Or is there something I can do to try and get it working?

Is there different firmware I can try?

NOTE: I really need the MPU6886 as my application will process accelerations in all 3 axis.

Thanks, Brendan.

The ATECC608 is listed under the Core2 datasheets at the follow location:

https://github.com/m5stack/m5-docs/blob/master/docs/en/core/core2.md

Please provide updated documentation / schematic or remove from list.

ATOM marticx cannot be connected at any IDE. How long will you update the package???? I have no idea about it now, just as a LED flash.

The TFT is very narrow and it would be much more convenient to change the orientation so that it is easier to fit text on the screen.

Is this possible?

i.e. https://github.com/m5stack/m5-docs/blob/master/docs/en/core/atom_lite.md

• images lost inlcuding the important schematics
• markup borked
• including script tags

even ttgo can do better.

I am planning to use M5stack to turn on/off devices remotely.
Upto how much relays can I use?
Thank you!

I was going my first steps w/CoreInk. ESP32 Deep Sleep didi not work and M5.shutdown(seconds) give an error:

E:\Arduino\CoreInk_EnvII_Unit\CoreInk_EnvII_Unit.ino: In function 'void setup()':
CoreInk_EnvII_Unit:110:6: error: 'class M5CoreInk' has no member named 'shutdown'
M5.shutdown(TIME_TO_SLEEP);

I would like to try "LAN Module with W5500 Chip".
Where is LAN Module Arduino example??

Arduino Example page in M5Stack LAN Module is "Page not found".
M5Stack-Admin,I want you to correspond.

https://github.com/m5stack/m5stack-documentation/blob/master/en/product-documents/modules/m5stack_lan_module.rst

drawFastVLine() has wrong example, Its using " M5.Lcd.drawFastHLine(0, 0, 12, TFT_GREEN); "
https://github.com/m5stack/m5-docs/blob/master/docs/en/api/lcd.md#drawfastvline

Hi, at the moment this is really quite difficult to figure out. There were people on the forums having trouble too. I think it would be useful if there was a straightforward list of all the exposed pins, stating for each pin whether it can be used freely, or whether there is something to watch out for.

For example, looking at the Basic,

In core/basic.md:

• 18,19,23 are SPI shared with the LCD and TF card (can they be used for additional SPI?)
• 25 is connected to the speaker
• 21,22 are I2C connected to the GROVE port (can they be used as GPIO if not using GROVE?)

ESP32 info:

• 0,1,3,12 have something to do with the boot sequence
• 35,36 are input-only without pullups

In the schematic:

• 1,3 are connected to the CP2104 USB serial
• ???

Trial and error:

• I tried to use 2 as an output, it didn't seem to work, but I couldn't find any info about it.

api/gpio.md gives some info about what the different pins are for, but doesn't answer this question. For example, it labels 1,3,16,17 as "UART", but as far as I can tell 16,17 are available for GPIO while 1,3 are not.

Does the M5StickC work with the VS Code extension vscode-m5stack-mpy?

https://marketplace.visualstudio.com/items?itemName=curdeveryday.vscode-m5stack-mpy

this page

For example, here is the page for the m5stick schematic: https://github.com/m5stack/m5-docs/blob/master/docs/assets/img/product_pics/core/minicore/m5stick/m5stick_sch.png

But the wiki links to: https://github.com/m5stack/m5-docs/blob/master/docs/en/core/assets/img/product_pics/core/minicore/m5stick/m5stick_sch.png

In this page: https://github.com/m5stack/m5-docs/blob/master/docs/en/related_documents/UIFlow_Desktop_IDE.md#configuration clicking on any of all the links to images result in a html 404 error. I tried with browsers: MS Edge and Google Chrome.