Few devices have hit the hacker/maker word with quite as large a bang as the ESP8266. [Brian] first reported a new $5 WiFi module back in ... the ESP8266 with an Arduino Mega2560.

These boards also provide easy access to the reset lines that you have to use to install the Arduino compatible firmware. The third option is to flash NodeMCU to the ESP8266 module. This turns it ...

This board is a complete Internet radio based on ESP8266 Module and the Arduino. The board has a stereo earphone jack plus two speaker connectors and a on-board 2.5w HiFi amplifier. The mp3 ...