Started connected ESP8266 with Firebase (Insert and read from Realtime Database)

Hardware

1. Arduino UNO
2. wifi ESP8266 (Espressif ESP8266 ESP-01)
3. Breadboard
4. Jumper wires
5. USB-A to B Cable

How to connecting Arduino UNO and ESP8266

Software

1. Arduino IDE
2. Google Firebase

Start

1. Download Arduino IDE
2. Install ESP8266 Board (version 2.4.2) to Arduino IDE
   1. Enter https://arduino.esp8266.com/stable/package_esp8266com_index.json into the Additional Board Manager URLs field.
3. Adding the Firebase library
4. Adding the ArduinoJson (version 5.13.2 ) library
5. Setup Firebase realtime database
6. Test
   1. Test connected to wifi (Board "(NodeMCU 1.0(ESP-12E Module))")
   2. Test connected to firebase (insert data to Realtime Database)
   3. Test connected to firebase (Read data from Realtime Database)

Other useful links

https://create.arduino.cc/projecthub/pulasthi-Narada/connecting-esp8266-to-firebase-to-send-receive-data-4adf66?ref=user&ref_id=1642765&offset=1