i try to upload code first time esp01 cp module for usb to ttl convert i can"t upload i got result in compiler what an issue help me guys to sort out this thing. simple uploading proces her i'm attached the image
Initial pocess what i had done here gpio 0 to grd connectec for flashing mode
After remove the connected wire the led is blinking but im stuck here 1)
esptool.py v3.0 Serial port COM4 A fatal esptool.py error occurred: Cannot configure port, something went wrong. Original message: PermissionError(13, 'A device attached to the system is not functioning.', None, 31)
Excuse my ignorance! I've done projects with esp-01 in the past including one last year, but I still haven't memorised the pinout.
I don't have one of those adapters, I use a regular USB-serial adapter, breadboard, and some buttons for reset and program mode.
But that adapter is specially designed to upload for esp-01. Surely it would have that necessary connection on its PCB? Possibly something automatic, like you would find on NodeMCU/Wemos D1 mini
All I have ever done is to program a bare ESP01 using a separate TTL to USB adapter. The link must be removed after programming and the module also needs to be reset before the uploaded code will run
Once that wire is removed you can no longer upload to the ESP-01. What was the purpose of removing the wire? So that you could run the uploaded code and see output on Serial Monitor?
Is it possible that during unsoldering, you accidentally made a solder bridge between the pins of the USB-serial board?