EmbeddedExpert.IO - All posts in Embedded Wifi Bare-Metal Development From Ground Up™
Programming for ESP8266 (Part 2) | Attachix
Make Your Own ESP8266 Breadboard Adapter | Hackaday
How to Upgrade Your ESP8266 SPI Flash to 4MB - Electronics-Lab.com
NodeMCU ESP8266 Devkit ESP12 with DHT11 - Embedkari
Amazon.com: HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics