This pin is on the rear of the ESP8266 module, and on many development boards, it isn’t even connected. That’s because its internally hooked up to the ESP8266’s SPI flash chip, and using it ...

The ever popular ESP8266 is popping up in more and more projects. There are CNC controllers, blinkey WiFi lighting, and downright bizarre WiFi to Ethernet bridges. [Cicero] has thrown his hat into … ...