![HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics](https://m.media-amazon.com/images/I/51H7NTW2i1L._AC_.jpg)
HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics
Basic ESP8266 NodeMCU tutorial: Breadboard, Pinout and Dimmable LED with Pulse-Width Modulation (PWM) - Mechatronics Blog
![Arduino-er: Blink NodeMCU on-board LED using Arduino IDE with ESP8266 core for Arduino, and more examples Arduino-er: Blink NodeMCU on-board LED using Arduino IDE with ESP8266 core for Arduino, and more examples](https://4.bp.blogspot.com/-v5_jGTtKj6g/Vu-AczkiHiI/AAAAAAAARyA/XfCLWsBEmt84hWlHCapWa5eSp1DK-4zoA/s1600/NodeMCU%2Btoggle%2BLED.jpg)