Great info here LeisureLadi. I couldn't figure out why a newly ordered Sonoff switch wouldn't flash. I noticed your post about the PN25F08B flash chip. Sure enough the new unit had this very chip. Changed from DIO to DOUT mode in Arduino IDE and boom....instant programming! Many thanks!
-Mike
Search found 1 match
- 29 Jul 2017, 05:57
- Forum: ESP Easy: Software
- Topic: Sonoff (ESP8266) stuck on boot - csum err
- Replies: 8
- Views: 25024