Getting Started with Blynk 2.0 using NodeMCU
If you want to make any IoT device then Blynk is a popular Internet of Things (IoT) platform that allows you to control hardware remotely through smartphones or tablets.
ESP8266 is a Wi-Fi module with in-built microcontroller mainly used for making IoT applications due to its low cost and its compatibility with other microcontrollers. Below are some tutorials and projects to start with ESP8266 based IoT projects.