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power management: single supply logic level converter

https://learn.sparkfun.com/tutorials/single-supply-logic-level-converter-hookup-guide/all

Quick Start to Nodemcu (ESP8266) on Arduino IDE

https://www.instructables.com/id/Quick-Start-to-Nodemcu-ESP8266-on-Arduino-IDE/

https://www.instructables.com/id/Getting-Started-With-ESP8266LiLon-NodeMCU-V3Flashi/

https://www.instructables.com/id/Programming-ESP8266-ESP-12E-NodeMCU-Using-Arduino-/

https://www.instructables.com/id/Steps-to-Setup-Arduino-IDE-for-NODEMCU-ESP8266-WiF/

NodeMCU ESP8266 sensor data to webserver:

https://www.youtube.com/watch?v=cx4S_rcMrZc

https://www.youtube.com/watch?v=1TGuw-cSR_I

https://lastminuteengineers.com/esp8266-dht11-dht22-web-server-tutorial/