The ESP8266 has 17 GPIO pins (0-16), however, you can only use 11 of them, because 6 pins (GPIO 6 - 11) are used to connect the flash memory chip. ... <看更多>

Sep 9, 2015 - This Pin was discovered by Adisak Mahawan. Discover (and save!) your own Pins on Pinterest. ... <看更多>

I have a setup which includes NodeMCU ESP8266 wifi controller and few components that should be controlled by it. ... <看更多>

NodeMCU has weird pin mapping. Pin numbers written on the board itself do not correspond to ESP8266 GPIO pin numbers. We have constants defined ... ... <看更多>

The GPIO pins on the ESP8266 (including the ones with built-in NodeMCU) are 3.3v tolerant. First, if there is ever any feedback from the 5v+ from the relay ... ... <看更多>