@nervencid You can use any name for your scripts. Only boot.py and main.py are executed as part of the boot process. If you want to run your script then, you have to add a statement like: import myscript e.g. to main.py. You should be able to stop your script with Ctr-C from the console, unless you disable that in your code. To isolate the problems, try running your code with a simple terminal like Putty. Note: You can change the name of the file which is run instead of main.py with machine.main(). The only useful place for that command is in boot.py.

@reidfo No I've got everything in try/except loops so it can't crash. This is always when it wakes from deepsleep, instead of running boot or main .py it jumps into dreaded 4s blue flash mode. Grim!

It's fixed!! See post Problems getting L01 into bootloader mode. Cheers, Thomas

Hi @grideagle, Thank you for reporting that, I've reported it to GitBook. The current workaround is to use the "copy" button it the top right corner of the code section.

@dan Yep I have never put anything in boot.py, have always had main.py run without intervention.

@dan Updating the firmware fixed the problem! Both main.py and boot.py run on restart. Thank you :)

@reidfo I use the boot.py to mount the SD card just once. When I mounted the SD card in the main.py I encountered OSError when re-running my code in the REPL (OSError: the requested operation is not possible) due to the fact that I cannot check the status of the SD card.

@monersss If you get access to the REPL, you can simply hit Ctrl-C. Otherwise you can use safeboot: Connect G28 with the 3v3 pni, and then push reset. When the LED turns orange, then disconnect the wire. The device will then not execute boot.py and main.py. The documentation talks about falling back to a series of previous versions, but that is nonsense on a Lopy