Here is i make arduino (NodeMCU) online data logger temperature & humidity with Blynk.
fisrt material list u need :
1. Arduino , u can choose another type, but in this project i use NodeMCU
2. DHT 11
3. Blynk APP
4. Android Phone for runing Blynk
here's the step by step to set up your blynk
open Blynk App, Login and klik...
