Clemens

Happy to hear that the firmware image is more or less working for you... But what do you mean with "it stops"? Does it not show the digits anymore or...

You are welcome! And I see, you raised an issue in the ElekstubeIPS project, so I guess, you can close this on here (https://github.com/judge2005/EleksTubeIPS/issues/21) I answered you also there. BTW:...

I noticed the same problem with the newest versions of EspressIF 32 development platform from PIO. So I digged a bit deeper. I tried with the newest and some older...

I created a PR for this: https://github.com/SmittyHalibut/EleksTubeHAX/pull/78 Please approve

Hello Holbormon! I assume, you get the "No serial data received" message, while you are trying to write your backuped firmware back to the clock again? So something like "esptool...

> AFAIR the button next to the usb connector has to be pressed and hold while connecting the usb cable. Then start `esptool` to backup the original firmare. Same for...

> > Flash is XT25F64 from XTX Technology Limited, which is 64x1024kBit = 8MB. RTC is a DS1302 replica. > > So far so good. > > It would be...

Hello again Holbormon, If the link is right in your first post, the clock is from "IPSTube" and it is model "401". If I search for it on the usual...

Ah, my bad, the first one seems to be the model 402. Your is like this one, I guess: 

> Got some more pics of the PCB/LCDs. Unfortunately unable to determine screen manufacturer/model by mere visual inspection. Glare on the last one shows a bit of LCD wiring. Does...