Smart car parking system

Sir I have a question regarding smart car parking system I have written the code in Arduino without any errors installed all the required libraries created a database in firebase but still firebase connectivity is not happening it is not showing anything in real time database please guide me.

Please help me with the firebase connectivity

  Joined August 02, 2021      2
Monday at 03:52 PM

Please share the code.

  Joined February 12, 2018      696
Monday at 02:11 PM

Sir or Mather , I have a mobile usb seluler ,what if it is merged with nodemcu ,to make it wifi hotspot ,how do I do it and how do connect it pleasi. I`m sorry.  

 

 

 

 

 

 

  Joined December 27, 2021      1
Monday at 04:09 AM