Wifi shield info for benefit of others having trouble.


this info concerns type of wifi shield sold on ebay china:


this correct pinout esp8266 12e chip used on these shields:


this correct wiring diagram when want flash esp8266 12e chip:


the problem is, particular esp8266, , wifi shields using it, there lot of conflicting information.

pinouts , wiring diagrams either incorrect or else not clear variety of esp8266 authors referring to.

after lot of trial , error above images correct info.



Arduino Forum > Using Arduino > Networking, Protocols, and Devices (Moderator: fabioc84) > Wifi shield info for benefit of others having trouble.


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