M5STICK OLED cant turn on

ajb2k3

May sound stupid but,
Q1 - You did erase the firmware first?
Q2 - You made sure that the firmware version was set to stick and not stackEN?
Q3 - you did make sure the baud rate was correct?
Q4 - Did M5Burner show any messages?

~~If you did all this, try connecting to to arduino, write a demo to the stickC and then go back to burner and try rewriting the firmware.~~

Okay, that is wierd, if its not detected then something is strange What OS are you using as I have forgotten.

hetzer

I erased the firmware a couple of times and managed to have it working with firmware version 1.2.3. Other versions did not work. Am I doing sth wrong or m5strick oled is only working with version 1.2.3
I am using windows 10 and uiflow.

ajb2k3

I'm not sure whats wrong there as I have 1.4.1 StickC running on both of mine.

amidarius

@hetzer

Turn M5StickC off
Remove USB C from M5StickC. (If plugged.)
Connect BAT and GND pins together with a jumper wire (male to male).
Plug USB C into M5StickC and finally ...
Remove immediately jumper wire.

Your M5StickC will now work as expected !

Do this every time M5StickC battery is drained because of bad HW design. :-(

macsbug

It can be started by the following method.
M5StickC Start Adapter
https://macsbug.wordpress.com/2019/07/09/m5stickc-start-adapter/

hetzer

Just to confirm. I am using M5stick OLED, not M5stickC. Does latest firmware also work with M5stick OLED?

ajb2k3

@hetzer arg no it doesn't :(

lukasmaximus

Unfortunately M5Stack decided to drop support for the original M5Stick after version 1.2.3 without telling anyone. Firmware version 1.2.3 and below use a different fork of micropython, namely loboris's fork https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo

ajb2k3

ah so it was 1.2.3 they dropped support. Now this gives me some point of reference as I had forgotten which version it was.

ftoure

@ajb2k3

Version 1.4.2 and version 1.4.3 works as well.
One mistake I made and probably some others made is that you have to select the StickC version in MBurner. Also, only the 115200 speed was working properly. With the other speeds, I had "A fatal error occurred: Timed out waiting for packet header". Once the new firmware is flashed, disconnect the cable and reset the board by connecting the Gnd and the Bat connectors with a wire jumper.

lukasmaximus

@ftoure hetzer was referring to the original M5Stick not the M5stickC.
@hetzer did you manage to do what you wanted with it. I find it's better to work with original M5Stick as the M5stick didn't have much functionality in UIflow even when it was supported