NodeMCU Microncontroller power saving operates in three modes in ESP... | Download Scientific Diagram
![Amazon.com: Kookye USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool : Industrial Amazon.com: Kookye USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool : Industrial](https://m.media-amazon.com/images/I/713ChSrSY6L.jpg)
Amazon.com: Kookye USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool : Industrial
![First Steps with the NodeMCU ESP8266 Wi-Fi Module and Arduino NANO | Maker, MakerED, Coding | Tips 2 | EDU: Digital CitiZENship, CyberSecurity, eSkills, Modern EDU by Gust MEES First Steps with the NodeMCU ESP8266 Wi-Fi Module and Arduino NANO | Maker, MakerED, Coding | Tips 2 | EDU: Digital CitiZENship, CyberSecurity, eSkills, Modern EDU by Gust MEES](https://gustmees.files.wordpress.com/2018/07/dsc_7740.jpg)
First Steps with the NodeMCU ESP8266 Wi-Fi Module and Arduino NANO | Maker, MakerED, Coding | Tips 2 | EDU: Digital CitiZENship, CyberSecurity, eSkills, Modern EDU by Gust MEES
![Electronics Tutorial: How to make power supply for Nodemcu ESP8266 wifi module using a Regulator - YouTube Electronics Tutorial: How to make power supply for Nodemcu ESP8266 wifi module using a Regulator - YouTube](https://i.ytimg.com/vi/FWYXp--6OAI/maxresdefault.jpg)
Electronics Tutorial: How to make power supply for Nodemcu ESP8266 wifi module using a Regulator - YouTube
![Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in](https://preview.redd.it/6qquknlzh5d71.jpg?width=1271&format=pjpg&auto=webp&s=4ab6b2778c428f033cb9ba94fc2c40a6251410ed)