Yuntong Smart  Switch Module (S1957943) 
  
  
    
  Available from:
      
      
    Amazon.de
    
    
    
    
    
    
    
    
    
    
    
    
    
      Install method:
    
    
      
      USB to Serial
      
    
    
    
| GPIO # | Component | 
|---|---|
| GPIO00 | None | 
| GPIO01 | None | 
| GPIO02 | None | 
| GPIO03 | None | 
| GPIO04 | Relay1 | 
| GPIO05 | None | 
| GPIO09 | None | 
| GPIO10 | None | 
| GPIO12 | Button1i | 
| GPIO13 | Led1i | 
| GPIO14 | None | 
| GPIO15 | LedLinki | 
| GPIO16 | None | 
| FLAG | None | 
Configuration (old format, will be converted to new template when applied)
  
  {"NAME":"Yuntong Smart","GPIO":[0,0,0,0,21,0,0,0,122,56,0,158,0],"FLAG":0,"BASE":1}