How do I read signal from machine in raspberry Pi

How can I connect arduino to my xampp database? I want to read values from database using arduino

Hashnoders! Are there any Arduino/Raspberry PI fans here?

If yes, what are the projects that you've done?

Which language is the best for coding ESP8266?

Arduino IDE Lua PlatformIO

How to make a simple digital display counter using arduino and JavaScript?

Has anyone tried doing arduino programming in JS? I want to build a simple display counter but don't know where to begin. Any good resource or experience building anything using arduino in JS would be a great begining step for me.