Laboratory

An experimental playground — test, break, and explore.

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📡

Latency Probe

Network
🌍

World Clocks

Live
📝

Markdown Studio

Editor
🛰️

API Probe

Fetch
Status: -- Time: --
Response
{}
Snippet

      

    


    
    

      

        
🌤️

        
Live Weather

        API
      

      

        

          
          
        

        

      

    


    
    

      

        
🧩

        
JSON Workbench

        Data
      

      

        
        

          
          
          
        

        

      

    


    
    

      

        
🧪

        
URL Param Lab

        Routing
      

      

        
        

          

            
Param key

            
          

          

            
Param value

            
          

        

        

          
          
        

        

      

    


    
    

      

        
🖥️

        
Backend Bridge

        Server
      

      

        
Backend Base URL

        
        

          
          
          
        

        
Local count is browser-only.

        

      

    


    
    

      

        
📐

        
Unit Converter

        Circuit
      

      

        

          
Power (dBm ↔ mW)

          

            
            
          

          

            
            
          

        

        

          
Capacitance (pF / nF / μF)

          

            
            
          

          

            
            
          

          

            
          

        

        

          
Frequency ↔ Period

          

            
            
          

          

            
            
          

          

            
            
          

        

        

      

    


    
    

      

        
🛡️

        
Privacy Snapshot Demo

        Fingerprint
      

      

        

          
          
          
          Ready (local only).
        

        
本功能仅在前端本地演示：不会上传、不会写入后端。

        

        

        

        

        

      

    


    
    

      

        
🔬

        
UART / SPI / I2C Frame Parser

        Protocol
      

      

        
Protocol

        

          
          
        

        

          
          
        

        
Supports: AA 01 02, 0xAA 0x01 0x02, or AA0102.

        

      

    


    
    

      

        
🔗

        
Web Embed

        iframe