![Why doesn't my NodeMCU get power? The on board LED should light up, but it does not. It works fine from the USB. : r/esp8266 Why doesn't my NodeMCU get power? The on board LED should light up, but it does not. It works fine from the USB. : r/esp8266](https://preview.redd.it/6rb7zrzm7mm61.png?width=640&crop=smart&auto=webp&s=86dd65abea4db422bb1d58dc7a58369014009d8c)
Why doesn't my NodeMCU get power? The on board LED should light up, but it does not. It works fine from the USB. : r/esp8266
NodeMCU Microncontroller power saving operates in three modes in ESP... | Download Scientific Diagram
![USB CP2102 32M FLASH WeMos D1 ESP8266 Internet Wifi Module for Nodemcu Lua V3 DC Power of 4 ~ 9V VIN pin CP2102 for Arduino|Integrated Circuits| - AliExpress USB CP2102 32M FLASH WeMos D1 ESP8266 Internet Wifi Module for Nodemcu Lua V3 DC Power of 4 ~ 9V VIN pin CP2102 for Arduino|Integrated Circuits| - AliExpress](https://ae01.alicdn.com/kf/Hc28869c5f09d4c88943d395edb01ab24s/USB-CP2102-32M-FLASH-WeMos-D1-ESP8266-Internet-Wifi-Module-for-Nodemcu-Lua-V3-DC-Power.jpg_Q90.jpg_.webp)
USB CP2102 32M FLASH WeMos D1 ESP8266 Internet Wifi Module for Nodemcu Lua V3 DC Power of 4 ~ 9V VIN pin CP2102 for Arduino|Integrated Circuits| - AliExpress
![Adapter for Nodemcu USB 32M ESP8266 ESP 12E ESP 12F CP2102 Internet Wifi Module DC Power of 4 ~ 9V VIN Pin New Arrival|adapter esp8266|adapter wifiadapter dc 9v - AliExpress Adapter for Nodemcu USB 32M ESP8266 ESP 12E ESP 12F CP2102 Internet Wifi Module DC Power of 4 ~ 9V VIN Pin New Arrival|adapter esp8266|adapter wifiadapter dc 9v - AliExpress](https://ae01.alicdn.com/kf/HTB1Sa4IXBTH8KJjy0Fiq6ARsXXa4/Adapter-for-Nodemcu-USB-32M-ESP8266-ESP-12E-ESP-12F-CP2102-Internet-Wifi-Module-DC-Power.jpg_Q90.jpg_.webp)
Adapter for Nodemcu USB 32M ESP8266 ESP 12E ESP 12F CP2102 Internet Wifi Module DC Power of 4 ~ 9V VIN Pin New Arrival|adapter esp8266|adapter wifiadapter dc 9v - AliExpress
![NODEMcu Usb Port Not Working? Upload the Code Using USB to TTL(FTDI) Module in Just 2 Steps : 3 Steps - Instructables NODEMcu Usb Port Not Working? Upload the Code Using USB to TTL(FTDI) Module in Just 2 Steps : 3 Steps - Instructables](https://content.instructables.com/ORIG/FUC/H4P7/JJZN7WQR/FUCH4P7JJZN7WQR.png?auto=webp&frame=1&width=320&md=6cfc060203d42da123c198705d62dc2c)
NODEMcu Usb Port Not Working? Upload the Code Using USB to TTL(FTDI) Module in Just 2 Steps : 3 Steps - Instructables
![ESP8266 ESP-12E Development board ESP8266 is low cost Wifi Module and... | Download Scientific Diagram ESP8266 ESP-12E Development board ESP8266 is low cost Wifi Module and... | Download Scientific Diagram](https://www.researchgate.net/profile/Ravi-Kodali/publication/316732922/figure/fig4/AS:494553980510209@1494922266013/ESP8266-ESP-12E-Development-board-ESP8266-is-low-cost-Wifi-Module-and-has-ultra-low-power.png)