Search found 3 matches
- Mon Mar 29, 2021 4:04 am
- Forum: ESP8266 boards
- Topic: OSError: scan failed
- Replies: 2
- Views: 1541
Re: OSError: scan failed
I guess I'll answer myself for posterity and to prevent anyone else running in circle on the web like I did... (https://xkcd.com/979/) This applies to d1mini v3.0.0 The answer to those issues were faulty hardware. There was a missing layer on the bottom of the pcb. It can be easily identified by the...
- Sun Dec 06, 2020 3:08 pm
- Forum: ESP8266 boards
- Topic: OSError: scan failed
- Replies: 2
- Views: 1541
Re: OSError: scan failed
Update :
- I tried flashing with esptool v.3 and esptool v.2.8
- I tried flashing with and without -fm=dio
- I diligently erased flash between each write
- I tried flashing with -b 115200
But since I can access micropython and initiate the wlan class, can it really be a flashing issue?
- I tried flashing with esptool v.3 and esptool v.2.8
- I tried flashing with and without -fm=dio
- I diligently erased flash between each write
- I tried flashing with -b 115200
But since I can access micropython and initiate the wlan class, can it really be a flashing issue?
- Sun Dec 06, 2020 8:07 am
- Forum: ESP8266 boards
- Topic: OSError: scan failed
- Replies: 2
- Views: 1541
OSError: scan failed
Hello gents, I've been lurking for a while, first time poster. I have an issue that seems unusual. I have a few 8266 boards around the place, some NodeMCU and some D1. All of them (but one that I killed in a 5v vs 3.3v incident), I connected them to my rpi, would check that AT commands work, flash m...