ESP8266, Node.js & PostgreSQL

A simple Internet of Things (IoT) experiment, using an ESP8266 NodeMCU board to post a potentiometer value & DHT11 (temperature & humidity sensor) value, to my own Node.js backend server which has public URL (using Ngrok), then push the data into PostgreSQL database (hosted on Elephant SQL). Full tutorial, schematics & sketch: *coming soon* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * #simpLINnovation