The build is based around the ESP-12E microcontroller, providing useful wireless connectivity that lets the watch interface with the outside world. The firmware makes queries of NTP servers and ...
AI-Thinker, another Shenzhen-based company provides a series of ready-to-use ESP8266 modules, in which the ESP-12E/F moudle is a compact implementation with on board PCB antena. The ESP-12F module is ...
This PCB breaks out the pins of ESP-12E/ESP-12F packages. There are no resistors or circuitry to pull the 'Enable' pin HIGH or put the chips into flashing mode, it is just a breakout to make working ...