This is a distance plotter using ESP8266 and ultrasonic sensor HC-SR04
├── Clone this repository
├── Head over to the Distance_Plotter_Node_MCU
folder
├── Open the .ino file with Arduino
├── Set the board as generic ESP8266
└── Upload
Use generic ESP8266 module Board
Go to File -> Preferences
And paste the link: https://arduino.esp8266.com/stable/package_esp8266com_index.json
in Additional Board Manager URLs
Go to Tools -> Board -> Board Manager -> Search for ESP8266
and Download that package
Keep the USB connected to NodeMCU to access the serial monitor in case you want to debug!
Type http://mcu-node.local
on your browser, if you did everything properly, you will see something like this: