Needed it for Webradio project (Karadio). Upload needs to be done DIO otherwise software don't work. Took me a few days of research to discover this. Other ESP-12F labeled "AI-THINKER" accept QIO without problem.

Needed it for Webradio project (Karadio). Upload needs to be done DIO otherwise software don't work. Took me a few days of research to discover this. Other ESP-12F labeled "AI-THINKER" accept QIO without problem.

Needed it for Webradio project (Karadio). Upload needs to be done DIO otherwise software don't work. Took me a few days of research to discover this. Other ESP-12F labeled "AI-THINKER" accept QIO without problem.

I have bought 10 pieces. I have tested some of them. It worked. The flash chip inside is a GigaDevice 4MB type.

I have bought 10 pieces. I have tested some of them. It worked. The flash chip inside is a GigaDevice 4MB type.

I have bought 10 pieces. I have tested some of them. It worked. The flash chip inside is a GigaDevice 4MB type.

No problems with the product, purchase and delivery.

No problems with the product, purchase and delivery.

No problems with the product, purchase and delivery.

They are perfect. Thanks!

They are perfect. Thanks!

They are perfect. Thanks!

They are perfect. Thanks!

They are perfect. Thanks!

They are perfect. Thanks!

ok !

ok !

ok !

Ordered 5, all worked very fine when soldered to ESP8266 Module Adapter Plate. Same specs with ESP-12.

Ordered 5, all worked very fine when soldered to ESP8266 Module Adapter Plate. Same specs with ESP-12.

Ordered 5, all worked very fine when soldered to ESP8266 Module Adapter Plate. Same specs with ESP-12.