The ESP8266 is the answer to “I want something with Wifi.” Surprisingly, there are a number of engineers and hobbyists who have not heard of this chip or have heard of it but don’t really ...

This is the ESP8266, a WiFi SoC (System on a Chip) ... [cnlohr] published an in-depth guide here on Hackaday for bare-metal programming the ESP8266 which was mentioned earlier.

Moreover, if you have a sketch tailored for ESP8266, then you can run it on this board (Just ignore ATmega chip). Or you can use this board as an IoT development board to some extent. Keep note that ...

At the heart of the ESP-01 module is the ESP8266 chip with at least two boot modes — the normal mode and the programming/flash mode. The latter refers to uploading any software (or firmware) to the ...